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00170799.tif Urospora wormskjoldii var vancouveriana Tilden. Stock Photo
RM2BXA5X4–00170799.tif Urospora wormskjoldii var vancouveriana Tilden.
Urospora penicilliformis Crouan Stock Photo
RM2R48CAB–Urospora penicilliformis Crouan
Smoked Oysterling (Resupinatus applicatus) Stock Photo
RMC29P94–Smoked Oysterling (Resupinatus applicatus)
Arkiv för botanik . Wkr. Ä ]uel foto., Kjellitian & Ljunggren delin. 1-7. Cruoria firma n. sp., 8. Urospora clavicuiata n. sp., 9-13. Laminaria pliyllopii TAF, 1.. Stock Photo
RM2ANEFTY–Arkiv för botanik . Wkr. Ä ]uel foto., Kjellitian & Ljunggren delin. 1-7. Cruoria firma n. sp., 8. Urospora clavicuiata n. sp., 9-13. Laminaria pliyllopii TAF, 1..
Archive image from page 132 of Die Natürlichen Pflanzenfamilien nebst ihren. Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet dienatrlichenp02engl Year: 1897 Cladophoraceae. (Wille.) 115 Vegetationsorgane. DerThallus besteht stets aus einer Zellreihe, welche entweder ganz unverzweigt sein [Chaetomorpha], zuweilen nur schwache Ansätze zu einer Ver- zweigung zeigen [Rhizoclonium] oder auch stark verzweigt sein kann [Cladophora, Pitho- phora]. Bei Urospora kommen kurze Stock Photo
RMT3XNTH–Archive image from page 132 of Die Natürlichen Pflanzenfamilien nebst ihren. Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet dienatrlichenp02engl Year: 1897 Cladophoraceae. (Wille.) 115 Vegetationsorgane. DerThallus besteht stets aus einer Zellreihe, welche entweder ganz unverzweigt sein [Chaetomorpha], zuweilen nur schwache Ansätze zu einer Ver- zweigung zeigen [Rhizoclonium] oder auch stark verzweigt sein kann [Cladophora, Pitho- phora]. Bei Urospora kommen kurze
. Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet . Fig. 77. Urospora penicilliformis (Roth) Aresch. A 2 vegetative Zellen; B Zellen, welche Schivärmsporen bilden, von denen eine entleert ist; C abgerundete Schwärmspore, von der Seite gesehen; D dieselbe von oben gesehen; E ausgestreckte Schwärmspore von der Seite gesehen; F dieselbe von oben gesehen. (A Original, 480/1; B—F nach Areschoug, B 200/1, C—F 500/1.) hinten in eine lange Spitze ausgezogen, sie haben 4 Cili Stock Photo
RMME6K6X–. Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet . Fig. 77. Urospora penicilliformis (Roth) Aresch. A 2 vegetative Zellen; B Zellen, welche Schivärmsporen bilden, von denen eine entleert ist; C abgerundete Schwärmspore, von der Seite gesehen; D dieselbe von oben gesehen; E ausgestreckte Schwärmspore von der Seite gesehen; F dieselbe von oben gesehen. (A Original, 480/1; B—F nach Areschoug, B 200/1, C—F 500/1.) hinten in eine lange Spitze ausgezogen, sie haben 4 Cili
Smoked Oysterling (Resupinatus applicatus) Stock Photo
RMC29P90–Smoked Oysterling (Resupinatus applicatus)
Arkiv för botanik . a i. Wkr. Ä ]uel foto., Kjellitian & Ljunggren delin. 1-7. Cruoria firma n. sp., 8. Urospora clavicuiata n. sp., 9-13. Laminaria pliyllopii TAF, 1. Stock Photo
RM2ANEG6K–Arkiv för botanik . a i. Wkr. Ä ]uel foto., Kjellitian & Ljunggren delin. 1-7. Cruoria firma n. sp., 8. Urospora clavicuiata n. sp., 9-13. Laminaria pliyllopii TAF, 1.
Archive image from page 133 of Die Natürlichen Pflanzenfamilien nebst ihren. Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet dienatrlichenp02engl Year: 1897 116 Cladophoraceae. (Wille.) Fig. 77. Urospora penicilliformis (Roth) Aresch. A 2 vegetative Zellen; B Zellen, welche Schivärmsporen bilden, von denen eine entleert ist; C abgerundete Schwärmspore, von der Seite gesehen; D dieselbe von oben gesehen; E ausgestreckte Schwärmspore von der Seite gesehen; F diese Stock Photo
RMT3XNXX–Archive image from page 133 of Die Natürlichen Pflanzenfamilien nebst ihren. Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet dienatrlichenp02engl Year: 1897 116 Cladophoraceae. (Wille.) Fig. 77. Urospora penicilliformis (Roth) Aresch. A 2 vegetative Zellen; B Zellen, welche Schivärmsporen bilden, von denen eine entleert ist; C abgerundete Schwärmspore, von der Seite gesehen; D dieselbe von oben gesehen; E ausgestreckte Schwärmspore von der Seite gesehen; F diese
Smoked Oysterling (Resupinatus applicatus) Stock Photo
RMC29P93–Smoked Oysterling (Resupinatus applicatus)
Arkiv för botanik . Ljustryck ]. Cederquist Sthlm. sp., 8-9, Clilorocliytriiiin Sclimitzii Roscnv. f. elongata n. foima.,13 Laininaria phyllcpiis n. sp, ARKIV FÖR BOTANIK. BAND 5. N:o 14. Kjellman del. 1-3. Urospora daviculata n. 5p., TAF. 3. Stock Photo
RM2ANEC5C–Arkiv för botanik . Ljustryck ]. Cederquist Sthlm. sp., 8-9, Clilorocliytriiiin Sclimitzii Roscnv. f. elongata n. foima.,13 Laininaria phyllcpiis n. sp, ARKIV FÖR BOTANIK. BAND 5. N:o 14. Kjellman del. 1-3. Urospora daviculata n. 5p., TAF. 3.
Smoked Oysterling (Resupinatus applicatus) Stock Photo
RMC29P92–Smoked Oysterling (Resupinatus applicatus)
Text-book of comparative anatomy . Order 3. Hypotricha. Dorsal and ventral surfaces sharply distinguished. Ven-tral surface ciliated. Chilodon, Euplotcs, Stylonychia (Fig. 14), Oxytriclia, Urostyla. FIG. 13. —A, Stylo-rhynchus longicollis,after Aime Schneider.ep, Epimerit; pm, proto-merit ; dm, deutomerit.S, Urospora Saenuridis.Conjugation of individ-uals, after Kdlliker. 10 COMPARA TIVE ANATOMY CHAP.. Stock Photo
RM2AWK4BB–Text-book of comparative anatomy . Order 3. Hypotricha. Dorsal and ventral surfaces sharply distinguished. Ven-tral surface ciliated. Chilodon, Euplotcs, Stylonychia (Fig. 14), Oxytriclia, Urostyla. FIG. 13. —A, Stylo-rhynchus longicollis,after Aime Schneider.ep, Epimerit; pm, proto-merit ; dm, deutomerit.S, Urospora Saenuridis.Conjugation of individ-uals, after Kdlliker. 10 COMPARA TIVE ANATOMY CHAP..
Arkiv för botanik . Kjellman del. 1-3. Urospora daviculata n. 5p., TAF. 3.. J r 2. Acrosiphonia glacialis n. sp. Ljustryck ]. Cederquist 5thlm. .1MI roll IIOTAMK.r.AMi :.. No 1.-.. (Mil triiiinnaiMlo ali;er ilaiHldrifiia U SveriiAos västkust. AfF. R. KJELLMAN. Inläiiuiiul (len 14 felnnmri liKXi. T Botanisk Tidsskrift för nyss förflutna år har J^. Kolde-RUi Rosenvinge offentliggjort en uppsats med titel: »Omfremmede Alger, ilanddrevne pd Jyllands Vestki/st». I slutetaf denna uttalar han den förhoppningen, att hans lilla med-delande måtte gifva anledning till, att likartade systematiskaund Stock Photo
RM2ANEBRM–Arkiv för botanik . Kjellman del. 1-3. Urospora daviculata n. 5p., TAF. 3.. J r 2. Acrosiphonia glacialis n. sp. Ljustryck ]. Cederquist 5thlm. .1MI roll IIOTAMK.r.AMi :.. No 1.-.. (Mil triiiinnaiMlo ali;er ilaiHldrifiia U SveriiAos västkust. AfF. R. KJELLMAN. Inläiiuiiul (len 14 felnnmri liKXi. T Botanisk Tidsskrift för nyss förflutna år har J^. Kolde-RUi Rosenvinge offentliggjort en uppsats med titel: »Omfremmede Alger, ilanddrevne pd Jyllands Vestki/st». I slutetaf denna uttalar han den förhoppningen, att hans lilla med-delande måtte gifva anledning till, att likartade systematiskaund
La flore algologique des régions antarctiques et subantarctiques . gologique. 28 218 TABLE DES MATIÈRES. Ulva lactuca (L.) J. Ag., 117, 128, 138, 149. — reticulata Forsk., 138. — umbilicalis L., 117, 128.Urococcus insignis Hansg., 162.Urospora penicilliformis (Roth) Aresch., 11, 14, 32, 78, 102, 117, 128, 149.Utriculidium Durvillei (Bory ? Hook. et Harv.) Skottsb., 110, 119, 129.Vaucheria antarctica Reinsch, 196. — cœspitosa de Cando le, 197. — Dillwynii (Web. et M.) Ag., 199. — geminata (Vauch.) D. C, 199.—- ornithocephala Ag., 199. — sessilis de Candolle, 197, 199. Vaucheria sp., 157. Wildem Stock Photo
RM2AN8H3J–La flore algologique des régions antarctiques et subantarctiques . gologique. 28 218 TABLE DES MATIÈRES. Ulva lactuca (L.) J. Ag., 117, 128, 138, 149. — reticulata Forsk., 138. — umbilicalis L., 117, 128.Urococcus insignis Hansg., 162.Urospora penicilliformis (Roth) Aresch., 11, 14, 32, 78, 102, 117, 128, 149.Utriculidium Durvillei (Bory ? Hook. et Harv.) Skottsb., 110, 119, 129.Vaucheria antarctica Reinsch, 196. — cœspitosa de Cando le, 197. — Dillwynii (Web. et M.) Ag., 199. — geminata (Vauch.) D. C, 199.—- ornithocephala Ag., 199. — sessilis de Candolle, 197, 199. Vaucheria sp., 157. Wildem
. Algæ. Vol. I. Myxophyceæ, Peridinieæ, Bacillarieæ, Chlorophyceæ, together with a brief summary of the occurrence and distribution of freshwat4er Algæ . oduction takes place by comparatively small zoogonidia, which arebiciliated in Chwtomorpha and quadriciliated in Urospora. In the lattergenus they are also more elongated and seen from the front are four-angled;they are also capable of slight changes in external form. Large numbers ofzoogonidia are formed in each ccenocyte and are usually set free through alateral aperture formed by the dissolution of the wall at that point (fig. 170 4)- 266 Stock Photo
RM2CDF590–. Algæ. Vol. I. Myxophyceæ, Peridinieæ, Bacillarieæ, Chlorophyceæ, together with a brief summary of the occurrence and distribution of freshwat4er Algæ . oduction takes place by comparatively small zoogonidia, which arebiciliated in Chwtomorpha and quadriciliated in Urospora. In the lattergenus they are also more elongated and seen from the front are four-angled;they are also capable of slight changes in external form. Large numbers ofzoogonidia are formed in each ccenocyte and are usually set free through alateral aperture formed by the dissolution of the wall at that point (fig. 170 4)- 266
. Algæ. Vol. I. Myxophyceæ, Peridinieæ, Bacillarieæ, Chlorophyceæ, together with a brief summary of the occurrence and distribution of freshwat4er Algæ . eproduction takes place by comparatively small zoogonidia, which arebiciliated in Chtetomorpha and quadriciliated in Urospora. In the lattergenus they are also more elongated and seen from the front are four-angled;they are also capable of slight changes in external form. Large numbers ofzoogonidia are formed in each ccenocyte and are usually set free through alateral aperture formed by the dissolution of the wall at that point (fig. 170 4)- Stock Photo
RM2CGXJGX–. Algæ. Vol. I. Myxophyceæ, Peridinieæ, Bacillarieæ, Chlorophyceæ, together with a brief summary of the occurrence and distribution of freshwat4er Algæ . eproduction takes place by comparatively small zoogonidia, which arebiciliated in Chtetomorpha and quadriciliated in Urospora. In the lattergenus they are also more elongated and seen from the front are four-angled;they are also capable of slight changes in external form. Large numbers ofzoogonidia are formed in each ccenocyte and are usually set free through alateral aperture formed by the dissolution of the wall at that point (fig. 170 4)-
. An introduction to the study of seaweeds. Algae. CHLOROPHYCE^ 169 motionless spores within large sporangia. These spores, which are round and provided with a membrane, do not germinate in the ordinary way but become them- selves small plantlets with a rhizoid attachment. These either soon give rise to a filamentous thallus, or, becoming enlarged, are transformed into new sporangia, the actual outcome of which has not yet been observed. In Urospora and Ehizoclonium there is a method of vegetative propagation by the separation of vegetative cells densely packed with con- tents. In Urospora the Stock Photo
RMRDXNP3–. An introduction to the study of seaweeds. Algae. CHLOROPHYCE^ 169 motionless spores within large sporangia. These spores, which are round and provided with a membrane, do not germinate in the ordinary way but become them- selves small plantlets with a rhizoid attachment. These either soon give rise to a filamentous thallus, or, becoming enlarged, are transformed into new sporangia, the actual outcome of which has not yet been observed. In Urospora and Ehizoclonium there is a method of vegetative propagation by the separation of vegetative cells densely packed with con- tents. In Urospora the
. Botanisk tidsskrift. Botany; Plants; Plants. — 362 — Woltke (Urospora p. 69) distinctly points out that the zoospores of this species are produced by successive divisions, while the zoospores of Urospora mirabilis Schmitz (cfr. my footnote p. 361) are produced by simultaneous divisions. I have in my material of U. mirabilis never seen the mother-cells of the zoospores in stages of divisions, which distinctly show successive divisions, and I have also never seen the parietal proto- plasm divided into numerous six-sided portions as in Urospora Worm- skioldii (Rosenv. Grl. Havalg. p. 920) and U Stock Photo
RMRH9YWX–. Botanisk tidsskrift. Botany; Plants; Plants. — 362 — Woltke (Urospora p. 69) distinctly points out that the zoospores of this species are produced by successive divisions, while the zoospores of Urospora mirabilis Schmitz (cfr. my footnote p. 361) are produced by simultaneous divisions. I have in my material of U. mirabilis never seen the mother-cells of the zoospores in stages of divisions, which distinctly show successive divisions, and I have also never seen the parietal proto- plasm divided into numerous six-sided portions as in Urospora Worm- skioldii (Rosenv. Grl. Havalg. p. 920) and U
. Botanisk tidsskrift. Plants; Plants -- Denmark. Woltke (Urospora p. 69) distinctly points out that the zoospores of this species are produced by successive divisions, while the zoospores of Urospora mirabilis Schmitz (cfr. my footnote p. 361) are produced by simultaneous divisions. I have in my material of U. mirabilis never seen the mother-cells of the zoospores in stages of divisions, which distinctly show successive divisions, and I have also never seen the parietal proto- plasm divided into numerous six-sided portions as in Urospora Worm- skioldii (Rosenv. Grl. Havalg. p. 920) and U. inc Stock Photo
RMRH9KTF–. Botanisk tidsskrift. Plants; Plants -- Denmark. Woltke (Urospora p. 69) distinctly points out that the zoospores of this species are produced by successive divisions, while the zoospores of Urospora mirabilis Schmitz (cfr. my footnote p. 361) are produced by simultaneous divisions. I have in my material of U. mirabilis never seen the mother-cells of the zoospores in stages of divisions, which distinctly show successive divisions, and I have also never seen the parietal proto- plasm divided into numerous six-sided portions as in Urospora Worm- skioldii (Rosenv. Grl. Havalg. p. 920) and U. inc
. Bihang till Kongl. Svenska vetenskaps-akademiens handlingar. Science; Botany. BiliangM K. Vet. Akad. Handl. Bd. 23. Afd.ID. 112 ii T-.il.. 1 -16. Urospora acrogona. '"^.Ch^tion^o'.'rS; Lii. L Ljunggren'.'psiia. :ha if -'nilrrera.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Kungl. Svenska vetenskapsakademien. Stockholm : K. Svenska vetenskaps-akademien Stock Photo
RMRHRP93–. Bihang till Kongl. Svenska vetenskaps-akademiens handlingar. Science; Botany. BiliangM K. Vet. Akad. Handl. Bd. 23. Afd.ID. 112 ii T-.il.. 1 -16. Urospora acrogona. '"^.Ch^tion^o'.'rS; Lii. L Ljunggren'.'psiia. :ha if -'nilrrera.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Kungl. Svenska vetenskapsakademien. Stockholm : K. Svenska vetenskaps-akademien
. An introduction to the study of seaweeds. Algae. 168 SEAWEEDS clonium. They are of similar origin to the gametes, but have four cilia. In Urospora they have a long tail, and looked at endways, they are four-sided with sharp angles, but they appear to possess the power. Fig. 51.— Vroojtora feniciViformis. n, Glainent; 6, escape of gametes; c, part of filament more highly magnified than a; d, zoospores ; e, gametes highly magnified, c, d, e, after Areschoug. of altering their shape somewhat, so that the sides arc now concave, now convex. In Gcmiontia the sporangia are larger than the ordinary Stock Photo
RMRDXNP9–. An introduction to the study of seaweeds. Algae. 168 SEAWEEDS clonium. They are of similar origin to the gametes, but have four cilia. In Urospora they have a long tail, and looked at endways, they are four-sided with sharp angles, but they appear to possess the power. Fig. 51.— Vroojtora feniciViformis. n, Glainent; 6, escape of gametes; c, part of filament more highly magnified than a; d, zoospores ; e, gametes highly magnified, c, d, e, after Areschoug. of altering their shape somewhat, so that the sides arc now concave, now convex. In Gcmiontia the sporangia are larger than the ordinary
. The biology of the protozoa. Protozoa; Protozoa. Fig. 216. —Reproductive bodies in Sporozoa. .4, agametes of Barrouxia ornata; B, C, sporocysts of same with exits of sporozoites; D, tailed sporocyst of Urospora la'gidis; E, F, sporoblast of Ophryocystis mesnili with single and multiple spore cases; G, spore of Ceratomyxa sp.; H, coccidian sporocyst with four sporozoites; J, spore of Leptotheca agilis; K, type of Myxobolus spore; L, sporocyst of Crystallospora crys- lalloides; M, N, coccidian sporocyst with two sporozoites. (After Schneider, Wasie- Lewsky, Thelohan, Leger and Brasil.) (539). Stock Photo
RMRHJYDT–. The biology of the protozoa. Protozoa; Protozoa. Fig. 216. —Reproductive bodies in Sporozoa. .4, agametes of Barrouxia ornata; B, C, sporocysts of same with exits of sporozoites; D, tailed sporocyst of Urospora la'gidis; E, F, sporoblast of Ophryocystis mesnili with single and multiple spore cases; G, spore of Ceratomyxa sp.; H, coccidian sporocyst with four sporozoites; J, spore of Leptotheca agilis; K, type of Myxobolus spore; L, sporocyst of Crystallospora crys- lalloides; M, N, coccidian sporocyst with two sporozoites. (After Schneider, Wasie- Lewsky, Thelohan, Leger and Brasil.) (539).
. The biology of the Protozoa. Protozoa; Protozoa. Fig. 182.—Gregarina cuneata. A, surface view of sporocyst with ripe sporo- blasts issuing from sporoducts (e). B, C, sections of sporocyst with ripening spores and developing sporoducts (0. (From Calkins after Kuschakewitsch.). Fig. 183.—Gametes of Gregarines and Coccidia. A, male and female gametes of Slylorhynchus longicollis; B, Monocystis sp.; C, spermatozoid of Echinomera hispida, to the left the two gametes of Pterocephalus nobilis; D, gametes of Urospora lagidis; E, of Gregarina ovata; F, of SchaudineUa henleoe; and G, of Eimeria schube Stock Photo
RMRHK0AP–. The biology of the Protozoa. Protozoa; Protozoa. Fig. 182.—Gregarina cuneata. A, surface view of sporocyst with ripe sporo- blasts issuing from sporoducts (e). B, C, sections of sporocyst with ripening spores and developing sporoducts (0. (From Calkins after Kuschakewitsch.). Fig. 183.—Gametes of Gregarines and Coccidia. A, male and female gametes of Slylorhynchus longicollis; B, Monocystis sp.; C, spermatozoid of Echinomera hispida, to the left the two gametes of Pterocephalus nobilis; D, gametes of Urospora lagidis; E, of Gregarina ovata; F, of SchaudineUa henleoe; and G, of Eimeria schube
. The biology of the Protozoa. Protozoa; Protozoa. Fig. 184.—Reproductive bodies in Sporozoa. A, agametes of Banuuxia oniata; B, C, sporoblasts of same with exit of sporozoites; D, tailed sporoblast of Urospora lagidis; E. F, sporoblast of Ophryocystis mesnili with single and multiple spore cases; G, spore of Ceratomyxa sp.; H, coccidian sporoblast with four sporozoites; J, spore of Leptothecaagilis; K, type of Myxobolus spore; L, sporoblast of Crystallospora crys- talloides; M, N, coccidian sporoblast with two sporozoites. (After Schneider, Wasie- lewsky, Thelohan, Leger and Brasil.). Please Stock Photo
RMRHK0A8–. The biology of the Protozoa. Protozoa; Protozoa. Fig. 184.—Reproductive bodies in Sporozoa. A, agametes of Banuuxia oniata; B, C, sporoblasts of same with exit of sporozoites; D, tailed sporoblast of Urospora lagidis; E. F, sporoblast of Ophryocystis mesnili with single and multiple spore cases; G, spore of Ceratomyxa sp.; H, coccidian sporoblast with four sporozoites; J, spore of Leptothecaagilis; K, type of Myxobolus spore; L, sporoblast of Crystallospora crys- talloides; M, N, coccidian sporoblast with two sporozoites. (After Schneider, Wasie- lewsky, Thelohan, Leger and Brasil.). Please
. The biology of the protozoa. Protozoa; Protozoa. y i :>â / jJ-y^-i :.w Y-fr > ... ⢠-. -l -A. Fig. 144.âGametes of Gregarines and Coccidia. A, male and female gametes of Stylorhynchus longicollis; B, Monocystis sp.; C, spermatozoid of Echinomera hispida, to the left the two gametes of Pterocephalus ndbilis; D, gametes of Urospora lagidis; E, of Gregarina ovata; /â¢'. of Schaudinella henleae; and G, of Eirru ria schubi rgi. (From Shellack after Leger, Cut-not, Brasil, Schnitzler and Schaudinn.) ultimately giving rise only to macrogametes, the other only to microgametes, then we are d Stock Photo
RMRHK1HX–. The biology of the protozoa. Protozoa; Protozoa. y i :>â / jJ-y^-i :.w Y-fr > ... ⢠-. -l -A. Fig. 144.âGametes of Gregarines and Coccidia. A, male and female gametes of Stylorhynchus longicollis; B, Monocystis sp.; C, spermatozoid of Echinomera hispida, to the left the two gametes of Pterocephalus ndbilis; D, gametes of Urospora lagidis; E, of Gregarina ovata; /â¢'. of Schaudinella henleae; and G, of Eirru ria schubi rgi. (From Shellack after Leger, Cut-not, Brasil, Schnitzler and Schaudinn.) ultimately giving rise only to macrogametes, the other only to microgametes, then we are d
. Botanisk tidsskrift. Plants; Plants -- Denmark. 361 The chromatophore of Urospora mirabilis ^) is by Woltke (Urospora p. 68) described as „eine einfache Scheibe", by Wille (Engler u. Prantl: Die natiirlichen Pflanzenfamilien I, 2, p. 115) as „eine wandstJindige, durchbrochene Platte", and by Kjellnian (Blasiophysa ocli Urospora p. 12) as sack-like and perforated with small, angular holes. The figures given by Woltke (I.e. Tab. 1) and Wille (I.e. p. 116 fig. 77.4) seem fully to agree with Kjellman's more accurate description of the chromatophore. Borgesen (Fter. alg. p. 502) points Stock Photo
RMRH9KW3–. Botanisk tidsskrift. Plants; Plants -- Denmark. 361 The chromatophore of Urospora mirabilis ^) is by Woltke (Urospora p. 68) described as „eine einfache Scheibe", by Wille (Engler u. Prantl: Die natiirlichen Pflanzenfamilien I, 2, p. 115) as „eine wandstJindige, durchbrochene Platte", and by Kjellnian (Blasiophysa ocli Urospora p. 12) as sack-like and perforated with small, angular holes. The figures given by Woltke (I.e. Tab. 1) and Wille (I.e. p. 116 fig. 77.4) seem fully to agree with Kjellman's more accurate description of the chromatophore. Borgesen (Fter. alg. p. 502) points
. Botanisk tidsskrift. Botany; Plants; Plants. — 361 - The chromatophore of Urospora mirabilis*) is by Woltke (Urospora p. 68) described as „eine einfache Scheibe", by Wille (Engler u. Prantl: Die natürlichen Pflanzenfamilien I, 2, p. 115) as „eine wandständige, durchbrochene Platte", and by Kjellman (Blastophysa och Urospora p. 12) as sack-like and perforated with small, angular holes. The figures given by Woltke (I.e. Tab. I) and Wille (I.e. p. 116 fig. 77^4) seem fully to agree with Kjellman's more accurate description of the chromatophore. Börgesen (Fær. alg. p. 502) points moreo Stock Photo
RMRH9YXM–. Botanisk tidsskrift. Botany; Plants; Plants. — 361 - The chromatophore of Urospora mirabilis*) is by Woltke (Urospora p. 68) described as „eine einfache Scheibe", by Wille (Engler u. Prantl: Die natürlichen Pflanzenfamilien I, 2, p. 115) as „eine wandständige, durchbrochene Platte", and by Kjellman (Blastophysa och Urospora p. 12) as sack-like and perforated with small, angular holes. The figures given by Woltke (I.e. Tab. I) and Wille (I.e. p. 116 fig. 77^4) seem fully to agree with Kjellman's more accurate description of the chromatophore. Börgesen (Fær. alg. p. 502) points moreo
. Botanisk tidsskrift. Plants; Plants -- Denmark. a Fig. 10. Urospora mirabilis Aresch. a, b two cells showing the shape of the chrom- atophore and pyrenoids of a elder cell (a) and a young cell (b). The angular holes in b, are the meshes (compare the text), rt (400:1), b{7(j(J:). ') Sclimitz (Ghromatophoren p. 13) describes the chromatophore of Urospora mirabilis as „mehrere handformig oder ringformig geformte Scheihen". As pointed out by Kjellman it is liighly doubtful whether the plant in question described by Schmitz, belongs really to U. miral)ilis Aresch.; his figure (1. r. Till). Stock Photo
RMRH9KTP–. Botanisk tidsskrift. Plants; Plants -- Denmark. a Fig. 10. Urospora mirabilis Aresch. a, b two cells showing the shape of the chrom- atophore and pyrenoids of a elder cell (a) and a young cell (b). The angular holes in b, are the meshes (compare the text), rt (400:1), b{7(j(J:). ') Sclimitz (Ghromatophoren p. 13) describes the chromatophore of Urospora mirabilis as „mehrere handformig oder ringformig geformte Scheihen". As pointed out by Kjellman it is liighly doubtful whether the plant in question described by Schmitz, belongs really to U. miral)ilis Aresch.; his figure (1. r. Till).
. Botanisk tidsskrift. Plants; Plants -- Denmark. — 342 I have I'eferred to this species some plants, 1 met with in NW. Ice- land growing at high-water mark in company with Ulothrix consociata and Urospora mirabilis. My plants attain a length of about 1 mm., the head is usually shorter than the stipe, sometimes longer or sometimes of about the same length as the stipe as shown by the following measurements. The stalk The head Thickness Length Thickness TiPncrth above below above below 16/^ 29 - 23 - 9;.. 14 - 14 - 174/^ 464 - 600 - 36/;! 36 - 29 - 26 /a 29 - 23 224 IJ. 333 - 326 -. The head is Stock Photo
RMRH9M0J–. Botanisk tidsskrift. Plants; Plants -- Denmark. — 342 I have I'eferred to this species some plants, 1 met with in NW. Ice- land growing at high-water mark in company with Ulothrix consociata and Urospora mirabilis. My plants attain a length of about 1 mm., the head is usually shorter than the stipe, sometimes longer or sometimes of about the same length as the stipe as shown by the following measurements. The stalk The head Thickness Length Thickness TiPncrth above below above below 16/^ 29 - 23 - 9;.. 14 - 14 - 174/^ 464 - 600 - 36/;! 36 - 29 - 26 /a 29 - 23 224 IJ. 333 - 326 -. The head is
. Botanisk tidsskrift. Botany; Plants; Plants. a Fig. 10. Urospora mirabilis Aresch. a, b two cells showing the shape of the chrom- atophore and pyrenoids of a elder cell (a) and a young cell (b). The angular holes in b, are the meshes (compare the text), a (400:1), & (766:1). ') Schmitz (Ghromatophoren p. 13) describes the chromatophore of Urospora mirabilis as „mehrere bandförmig oder ringförmig geformte Scheiben". As pointed out by Kjellman it is highly doubtful whether the plant in question described by Schmitz, belongs really to U. mirabilis Aresch.; his figure (1. c. Tab. II, fi Stock Photo
RMRH9YXE–. Botanisk tidsskrift. Botany; Plants; Plants. a Fig. 10. Urospora mirabilis Aresch. a, b two cells showing the shape of the chrom- atophore and pyrenoids of a elder cell (a) and a young cell (b). The angular holes in b, are the meshes (compare the text), a (400:1), & (766:1). ') Schmitz (Ghromatophoren p. 13) describes the chromatophore of Urospora mirabilis as „mehrere bandförmig oder ringförmig geformte Scheiben". As pointed out by Kjellman it is highly doubtful whether the plant in question described by Schmitz, belongs really to U. mirabilis Aresch.; his figure (1. c. Tab. II, fi
. Confnces de zoologie faites a Sorbonne. Protozoa. Fig-, 18 Z.RTiynGlio eys Li s pilosa Cuénot. Ojxd^A ou Wuv^ ^jJLx/wxO/y/vtf ( fia. iSS) '^U'VtA. Fi J.188. Urospora S"Ynapta3 Cnénot Fijj. 189. QpJirjocystis Mesnili Léger.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Robert, A. , zoologist; Facultes sciences de Paris. Association amicale des ves et anciens ves. [Paris] : Association amicale des ves et anciens ves Stock Photo
RMREAA1H–. Confnces de zoologie faites a Sorbonne. Protozoa. Fig-, 18 Z.RTiynGlio eys Li s pilosa Cuénot. Ojxd^A ou Wuv^ ^jJLx/wxO/y/vtf ( fia. iSS) '^U'VtA. Fi J.188. Urospora S"Ynapta3 Cnénot Fijj. 189. QpJirjocystis Mesnili Léger.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Robert, A. , zoologist; Facultes sciences de Paris. Association amicale des ves et anciens ves. [Paris] : Association amicale des ves et anciens ves
. Botanisk tidsskrift. Botany; Plants; Plants. - 342 — I have referred to this species some plants, I met with in NW. Ice- land growing* at high-water mark in company with Ulothrix consociata and Urospora mirabilis. My plants attain a length of about 1 mm., the head is usually shorter than the stipe, sometimes longer or sometimes of about the same length as the stipe as shown by the following measurements. The stalk The head Thickness Length Thickness Length above below above below 16 fi 9/4 174 p. 36 ß 26 ,u 224 ß 29 - 14 - 464 - 36 - 29 - 333 - 23 - 14 - 600 - 29 - 23 - 326 -. The head is us Stock Photo
RMRHA003–. Botanisk tidsskrift. Botany; Plants; Plants. - 342 — I have referred to this species some plants, I met with in NW. Ice- land growing* at high-water mark in company with Ulothrix consociata and Urospora mirabilis. My plants attain a length of about 1 mm., the head is usually shorter than the stipe, sometimes longer or sometimes of about the same length as the stipe as shown by the following measurements. The stalk The head Thickness Length Thickness Length above below above below 16 fi 9/4 174 p. 36 ß 26 ,u 224 ß 29 - 14 - 464 - 36 - 29 - 333 - 23 - 14 - 600 - 29 - 23 - 326 -. The head is us
. Annales des Sciences Naturelles Botaniques. . Fig. 35. — Urospora mirabilis var. elongata. — «, lilament végétatif; b-e, filaments à zoospores, 160 : L Urospora Wormskioldii (Mert.) Rosenv. Syn. : Chsetomorpha WormskiolcUi, Kjellm. Les cellules inférieures émettent des rhizines formant eu bas un disque fixateur. Dans la partie inférieure de la plante les cellules sont relativement étroites ; elles ont environ 30 à 60 p. de diamètre, mais elles sont très allongées, la longueur étant quelquefois 15 fois plus grande que le diamètre. Elles contiennent un chromatophore réticulé à grandes mailles Stock Photo
RMRMWGW0–. Annales des Sciences Naturelles Botaniques. . Fig. 35. — Urospora mirabilis var. elongata. — «, lilament végétatif; b-e, filaments à zoospores, 160 : L Urospora Wormskioldii (Mert.) Rosenv. Syn. : Chsetomorpha WormskiolcUi, Kjellm. Les cellules inférieures émettent des rhizines formant eu bas un disque fixateur. Dans la partie inférieure de la plante les cellules sont relativement étroites ; elles ont environ 30 à 60 p. de diamètre, mais elles sont très allongées, la longueur étant quelquefois 15 fois plus grande que le diamètre. Elles contiennent un chromatophore réticulé à grandes mailles
. Contribution a l'etude des monocystidées des Oligochètes. Oligochaeta. /K ⢠ri'.:. 1. Muiwcynliti .Scliéuia. âVm.11. Neiiiutocystis. Schéma.â Fm. III. Wiynchucystis. Scliéma. â Fig. IV. Stomatophora Schéma. â Fig. V. Zygucyslis Schéma. â Fig. VI. Pleu- rocystis Schéma. â Fig. VII. Sporocystes des genres Monocystis, Nematocystû, Rhynchocystis, Stomatophora, Zygocyslis et Phurocystis. â Fig. VIII. Spord- cystes de Urospora tubificis, d'après R. Laukestor.â Fig. IX. Sporocystc (Aiiiphiont ) de Schaudinnella, d'après Nusbaum. G. Stomatophora Drzewecki. Corps ovoïde ou sphérique. Pà Stock Photo
RMREA6F5–. Contribution a l'etude des monocystidées des Oligochètes. Oligochaeta. /K ⢠ri'.:. 1. Muiwcynliti .Scliéuia. âVm.11. Neiiiutocystis. Schéma.â Fm. III. Wiynchucystis. Scliéma. â Fig. IV. Stomatophora Schéma. â Fig. V. Zygucyslis Schéma. â Fig. VI. Pleu- rocystis Schéma. â Fig. VII. Sporocystes des genres Monocystis, Nematocystû, Rhynchocystis, Stomatophora, Zygocyslis et Phurocystis. â Fig. VIII. Spord- cystes de Urospora tubificis, d'après R. Laukestor.â Fig. IX. Sporocystc (Aiiiphiont ) de Schaudinnella, d'après Nusbaum. G. Stomatophora Drzewecki. Corps ovoïde ou sphérique. PÃ
. Annales des Sciences Naturelles Botaniques. 132 protoplasme appliqué à la paroi se divise simultanément en de nombreux corps sexangulaires contenant chacun un no- yau et un chromatophore avec un pyrénoïde. Ces corps s'al- longent, et s'étirent en pointe parun de leurs bouts ; àl'autre il se forme quatre cils, et la zoospore est formée. Le noyau se trouve près du bout antérieur, le pyrénoïde vers l'extrémité postérieure. Les cellules à zoospores acquièrent une épais-. %. 36. — Urospora WormsJcioldii. — Quatre fragments quatre cils, le noyau d'une plante, à gauche la partie basilaire, à droite Stock Photo
RMRMWGTA–. Annales des Sciences Naturelles Botaniques. 132 protoplasme appliqué à la paroi se divise simultanément en de nombreux corps sexangulaires contenant chacun un no- yau et un chromatophore avec un pyrénoïde. Ces corps s'al- longent, et s'étirent en pointe parun de leurs bouts ; àl'autre il se forme quatre cils, et la zoospore est formée. Le noyau se trouve près du bout antérieur, le pyrénoïde vers l'extrémité postérieure. Les cellules à zoospores acquièrent une épais-. %. 36. — Urospora WormsJcioldii. — Quatre fragments quatre cils, le noyau d'une plante, à gauche la partie basilaire, à droite
. Annales des Sciences Naturelles Botaniques. 142 cellule sous-jacente (fig. 43 B.). La plante passe souvent à un état palmelloïde. Gr. occid. enire 73° et 62° lat. N. Bolbocoleoîi piliferam Pringsho Entre les filaments assimilateurs du Symphyocarpus stran- gulans. Gr. occid. à 62° lat. N. Entoderma Wittrockii (Wille) Lagerh. Dans la paroi du Polysiphonia urceolata, Gr. occid. à 64° lat. N. FAM. ULOTHRICHAGE.E. Ulothrix flacca (Dillw.) Thur. Syn. Conferv a flacca Dillw., Lyngbya Carmichœlii Harv., Urospora penicilliformis lijellm. ex ])arle.. Fig. 44. — Ulothrix flacca. — A et B, filaments vég Stock Photo
RMRMWGKM–. Annales des Sciences Naturelles Botaniques. 142 cellule sous-jacente (fig. 43 B.). La plante passe souvent à un état palmelloïde. Gr. occid. enire 73° et 62° lat. N. Bolbocoleoîi piliferam Pringsho Entre les filaments assimilateurs du Symphyocarpus stran- gulans. Gr. occid. à 62° lat. N. Entoderma Wittrockii (Wille) Lagerh. Dans la paroi du Polysiphonia urceolata, Gr. occid. à 64° lat. N. FAM. ULOTHRICHAGE.E. Ulothrix flacca (Dillw.) Thur. Syn. Conferv a flacca Dillw., Lyngbya Carmichœlii Harv., Urospora penicilliformis lijellm. ex ])arle.. Fig. 44. — Ulothrix flacca. — A et B, filaments vég
. Beihefte zum botanischen Centralblatt. Plants. Teodoresco, Materiaux pour la flore algologique de la Roumanie. 149 En tout cas ma plante ne ressemble pas ä 1' Ulothrix fiacca, tel qu'il a ete si soigneusement decrit dernierement par N. Wille.^) Quand il arrive qu'une cellule commence ä perir, alors les cellules Vivantes voisines poussent sous forme de rhizo'i'des intra- cellulaires (fig. 27 et 28); la direction de ces rhizo'ides est tantot. Fig. 26—32. Urospora penicilUformis iRoth) Aresch. ; 26. portion d'un filament montrant la forme des chromatophores; 27 et 28. formation de rhizoides int Stock Photo
RMRHYMAN–. Beihefte zum botanischen Centralblatt. Plants. Teodoresco, Materiaux pour la flore algologique de la Roumanie. 149 En tout cas ma plante ne ressemble pas ä 1' Ulothrix fiacca, tel qu'il a ete si soigneusement decrit dernierement par N. Wille.^) Quand il arrive qu'une cellule commence ä perir, alors les cellules Vivantes voisines poussent sous forme de rhizo'i'des intra- cellulaires (fig. 27 et 28); la direction de ces rhizo'ides est tantot. Fig. 26—32. Urospora penicilUformis iRoth) Aresch. ; 26. portion d'un filament montrant la forme des chromatophores; 27 et 28. formation de rhizoides int
. Annales des Sciences Naturelles Botaniques. t LES ALGUES MARINES DU GROEN'LAND. J33 Gr. occid. entre 67° et 64° lat. N. Urospora Hartzii Rosenv. Les tilaments sont longs et mous, le diamètre grand et peu variable, mesurant 75 à 90 l»., rarement jusqu'à 100 ^j. ; la lon- gueur des cellules varie de la moitié jusqu'au triple du dia- mètre, ordinairement elle est une à deux fois aussi grande.. Fig. 38. — Urospora Hartzii. — A et B, cellules stériles; C, cellule à zoospores, 240 : 1 ; D, zoospores montrant le p^Ténoïde, 580 : 1. Les cellules reproductrices ne diffèrent pas des cellules végé- tat Stock Photo
RMRMWGRJ–. Annales des Sciences Naturelles Botaniques. t LES ALGUES MARINES DU GROEN'LAND. J33 Gr. occid. entre 67° et 64° lat. N. Urospora Hartzii Rosenv. Les tilaments sont longs et mous, le diamètre grand et peu variable, mesurant 75 à 90 l»., rarement jusqu'à 100 ^j. ; la lon- gueur des cellules varie de la moitié jusqu'au triple du dia- mètre, ordinairement elle est une à deux fois aussi grande.. Fig. 38. — Urospora Hartzii. — A et B, cellules stériles; C, cellule à zoospores, 240 : 1 ; D, zoospores montrant le p^Ténoïde, 580 : 1. Les cellules reproductrices ne diffèrent pas des cellules végé- tat
. Annales des Sciences Naturelles Botaniques. 130 r ? D F. ti/pica Kjellm. La forme rupïncola croît surtout dans des flaques de la zone littorale. La forme typica Kjellm., qui croît dans la zone su- blitlorale, où elle se trouve souvent en grande quantité^ est analogue au Ch. Linum (1). Gr. occid. au sudde77° 30'lat. N. Gr. orient, à 74° 32' îat.N. Urospora mirabilis Aresch. Dans l'espèce principale, les cel- lules à zoospores sont souvent aussi longues ou plus courtes que le diamètre ; elles sont alors très renflées ; dans d'autres filaments elles atteignent une longueur qui peut être quatre Stock Photo
RMRMWGX2–. Annales des Sciences Naturelles Botaniques. 130 r ? D F. ti/pica Kjellm. La forme rupïncola croît surtout dans des flaques de la zone littorale. La forme typica Kjellm., qui croît dans la zone su- blitlorale, où elle se trouve souvent en grande quantité^ est analogue au Ch. Linum (1). Gr. occid. au sudde77° 30'lat. N. Gr. orient, à 74° 32' îat.N. Urospora mirabilis Aresch. Dans l'espèce principale, les cel- lules à zoospores sont souvent aussi longues ou plus courtes que le diamètre ; elles sont alors très renflées ; dans d'autres filaments elles atteignent une longueur qui peut être quatre
. Bulletin de la Société zoologique de France. Zoology. SÃANCE DU 9 MARS 1897 95 à spores développées. Il est très probable que la sporulation n'est pas individuelle, comme chez Urospora sÅnuridis Koll. (1) ; il doit donc y avoir fusion des deux individus et conjugaison véritable. La spore mûre (fig. 3, a) est à pôles dissemblables. De face, elle paraît fusiforme, à extrémité antérieure légèrement tronquée; mais un examen attentif montre que l'endospore seule a cette forme, et quel'épispore présente, tout autour de l'endospore, trois expansions latérales aliformes (d'où le n Stock Photo
RMRGR5JX–. Bulletin de la Société zoologique de France. Zoology. SÃANCE DU 9 MARS 1897 95 à spores développées. Il est très probable que la sporulation n'est pas individuelle, comme chez Urospora sÅnuridis Koll. (1) ; il doit donc y avoir fusion des deux individus et conjugaison véritable. La spore mûre (fig. 3, a) est à pôles dissemblables. De face, elle paraît fusiforme, à extrémité antérieure légèrement tronquée; mais un examen attentif montre que l'endospore seule a cette forme, et quel'épispore présente, tout autour de l'endospore, trois expansions latérales aliformes (d'où le n
. Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet. Botany. Cladophoraceae. (Wille.) 115 Vegetationsorgane. DerThallus besteht stets aus einer Zellreihe, welche entweder ganz unverzweigt sein [Chaetomorpha], zuweilen nur schwache Ansätze zu einer Ver- zweigung zeigen [Rhizoclonium] oder auch stark verzweigt sein kann [Cladophora, Pitho- phora]. Bei Urospora kommen kurze, stachelige Zweige vor, die aber nicht durch Quer- wände abgetrennt sind. Bei gewissen Bhizoclonium Stock Photo
RMRCHWHP–. Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet. Botany. Cladophoraceae. (Wille.) 115 Vegetationsorgane. DerThallus besteht stets aus einer Zellreihe, welche entweder ganz unverzweigt sein [Chaetomorpha], zuweilen nur schwache Ansätze zu einer Ver- zweigung zeigen [Rhizoclonium] oder auch stark verzweigt sein kann [Cladophora, Pitho- phora]. Bei Urospora kommen kurze, stachelige Zweige vor, die aber nicht durch Quer- wände abgetrennt sind. Bei gewissen Bhizoclonium
. Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet. Botany. Fig. 77. Urospora penicilliformis (Roth) Aresch. A 2 vegetative Zellen; B Zellen, welche Schivärmsporen bilden, von denen eine entleert ist; C abgerundete Schwärmspore, von der Seite gesehen; D dieselbe von oben gesehen; E ausgestreckte Schwärmspore von der Seite gesehen; F dieselbe von oben gesehen. (A Original, 480/1; B—F nach Areschoug, B 200/1, C—F 500/1.) hinten in eine lange Spitze ausgezogen, sie haben Stock Photo
RMRCHWHH–. Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet. Botany. Fig. 77. Urospora penicilliformis (Roth) Aresch. A 2 vegetative Zellen; B Zellen, welche Schivärmsporen bilden, von denen eine entleert ist; C abgerundete Schwärmspore, von der Seite gesehen; D dieselbe von oben gesehen; E ausgestreckte Schwärmspore von der Seite gesehen; F dieselbe von oben gesehen. (A Original, 480/1; B—F nach Areschoug, B 200/1, C—F 500/1.) hinten in eine lange Spitze ausgezogen, sie haben
. Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet. Botany. 116 Cladophoraceae. (Wille.). Fig. 77. Urospora penicilliformis (Roth) Aresch. A 2 vegetative Zellen; B Zellen, welche Schivärmsporen bilden, von denen eine entleert ist; C abgerundete Schwärmspore, von der Seite gesehen; D dieselbe von oben gesehen; E ausgestreckte Schwärmspore von der Seite gesehen; F dieselbe von oben gesehen. (A Original, 480/1; B—F nach Areschoug, B 200/1, C—F 500/1.) hinten in eine lang Stock Photo
RMRCHWHK–. Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet. Botany. 116 Cladophoraceae. (Wille.). Fig. 77. Urospora penicilliformis (Roth) Aresch. A 2 vegetative Zellen; B Zellen, welche Schivärmsporen bilden, von denen eine entleert ist; C abgerundete Schwärmspore, von der Seite gesehen; D dieselbe von oben gesehen; E ausgestreckte Schwärmspore von der Seite gesehen; F dieselbe von oben gesehen. (A Original, 480/1; B—F nach Areschoug, B 200/1, C—F 500/1.) hinten in eine lang
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