Chytrifliacea'. Rhizidimii. 297 



et cilio simplici ornatis; sporis pftrdurantiljus liberis, sphoeroideis, ' 

 membrana crassiuscula cinctis, crasse uniguttulatis, pallide brunneis. 

 Ilab. \n fibris librosis Coryli .\vellan?e et aliarum planta- 

 runi in Gallia. 



4. Rhizidium bulbigerum Zopf Zur Kennt. Pbycom. pag. 55, tab. 7, 1027 

 lig. 5-8. — Zoosporangiis globosis, matrice imniersis et apice in 

 vosiculam minutam, inflatam prominulis, liasi filamentis mycelicis 

 ramosis cinctis,- zoosporis globosis vel anKobneformibus, nucleo 

 oleoso pravlitis. 



Hab. in filamentis Spirogyrse crassae in Cerraauia. 



5. Rhizidium Fusus Zopf Zur Kennt. Pliycom. p. 59, t. 7, fig. 9-12. 1028 

 — Zoosporangiis fusoideis, externis, basi filamentis nwcelicis ramo* 



sis cinctis, protoplasmate primo granuloso dein in zoosporas mu- 

 tato farctis. 



Hab. in Synedris majoribus in Germania. 



f). Rhizidium carpophilum Zopf Zur Kennt. Phycom. pag. 00, tab. 9, i'^29 

 fig. 10-16. — Zoosporangiis globosis dein leniter piriformibus, basi 

 filamento mvcelico, parce ramoso, merabranam celluloe matricis per- 

 forante prfeditis, demum apice apertis; zoosporis globosis vel vix 

 ovoideis, nucleo oleoso niteute, majori et nucleolis duobus minori- 

 bus obscurioribusque prreditis, ciliis destitutis, 7 ■x. diam. 

 Uab. in oogonio Aclilype polyandrc^ in Gerinania. 



7. Rhizidium appendiculatum Zopf Zur Kennt. Phycom. p. 63, tab. 9, lono 

 fig. 17-27. — Zoosporangiis piriformibus, basi pedunculo brevi 

 tenui, membranam cellula; perforante pra^ditis, apice dein aperlis; 

 zoosporis globosis, minutis, nucloo oleoso et cilio longo, simplici 

 ornatis, 2 y.. diam. 



Hab. in cellulis perdurantibus C hla my domonad is in Ger- 

 mania. 



S. Rhizidium sphaerocarpum Zopf Zur Kennt. Phycom. p. 02, tab. S, io,?i 

 fig. 10-27. — Zoosporangiis primo globosis dein apice inflatis et 

 in vesiculam desinentibus, demuni apertis, basi filamento inyceliali 

 membranam cellula? matricis perforante pra^ditis; zoosporis nu- 

 merosis, sphasroideis vel elougatis, minutis 2,8 m.. diam. vel 5, 

 5w2,S, nucleo oleoso, crasso et cilio longo, simplici ornatis. 

 Hab. in Spirogyra quadara ia Germania. 



0. Rhizidium Cieni(Owskianum Zopf Zur Kennt. Phycorayc, p. 50, t. 0, 1032 

 fig. 14-24 et tab. 7, fig. 1-4. — Zoosporangiis globosis, intra cel- 

 lulam malricis collo longiusculo, prominulo donatis, filaniontis ra- 

 diciformibus cinctis, basi vesicula dostitutis: zoosporis minutis, glo- 



