298 Chytridi.iccce, Ivliizopliidilim 



bosis; sporis pordurantibiis globosis, membrana crassa cinctis, lu- 

 teis, nucleo magno ornatis, 33 y.. diam. 



Ilab. n\ cellulis Cladophoras in Germania. 



10. Rhizidium Schenkii Dang. in Ann. Sc. Nat. 1886, pag. 298. — 

 Zoosporangiis forma variis saepe piriformibus vel ellip.soi(leis, fila- 

 mentis mycelicis ornatis ; zoosporis uninucleatis, 3 u. crassis. 



Hah. in Algis variis in Gallia. 



11. Rhizidium aciforme Zopi" Zur Kennt. PJiycom. pag. 09, tab. 10, 

 fig. 33-4)5. — Sporangiis piriformibus, minutis, 0-16 y.. diam., zoo. 

 sporas rainutas. circiter 2 y.. diam., per polum sporangii gelatino- 

 sum exeuntes continentibus. 



Hab. in Clilamidomonadis speciebus quibusdani in Ger- 

 mania. 



12. Rhizidium apiculatum (A. Braun) Zopf Zur Kennt. Phycom. p. 07, 

 t. 10, f. 21-31, ('hi/tridium ap/culaium A. IJraun Ueb. Chytr. 

 1356, p. 588. — Plemisphtiericum vel fere globosum, sessile, basi 

 lata insertum, usque 13 u. latum, medio in apiculum, 3 y.. lon- 

 gum, operculiformem attenuatura. 



Hab. in cellulis Ghcococci raucosi prope Freiburg Ger' 

 manife. 



RHIZOPHiDIUM Schenk Algol. Mitth. 1858, Schroet. Krypt. Fl. Schles. 

 p. 51 (Etyra. rhiza radix et ophis serpens). — Zoosporangia unicel- 

 lularia, sessilia, basi filamentis niycelicis, radiciforraibus pleruni- 

 que ramosis, apice uno vel pluribus ostiolis pertusis prasdita. Zoo* 

 sporse uniciliata?. 



1. Rhizophidium globosum (A. r>r.) Schroet. Krypt. Fl. Schles. Pilze 

 p. 191, Chytridium globosnm Braun IJeber Chytr. 1855. — Zoo- 

 .sporangiis globosis, 20-25 y.. diam., plerunique sessilibus, in cel- 

 lula matricis numerosis, basi fasciculo filamentorum myceliorum, 

 intra cellulam cinctis, apice 1-4-ostiolatis ,- ostiolis brevibus, papil- 

 liforraibus, poro erumpentibus: protoplasmate hyalino: zoospori> 

 2-:; [j.. latis. 



Hab. in Algis nonnuUis h. e. Desraidiaceis, Diatoma- 

 c e i s ot in sporis C o n f e r v a r u m etc. in Germania. 



2. Rhizophidium Mastigotrichis (Now.) Schr. Krypt. Fl. Schles. Pilze 

 pag. 191, Chi/iridium Mastigotrichis Now. Beitr. Kennt. Cliytr. 

 1870. — Zoosporangiis maturitate plus niinusve globosis vel bre- 

 viter ellipsoideis, circiter 40 y.. latis, superno in collura plns nii- 

 nusve olongatum, vorrucosura tubiformem, ad exitum zoosporaruin 



