316 Chytriiliaoefe, Protochyirium. 



cylindraceiirn altenuatis, liasi vel latorajiter , processibiis primo 

 incra.ssatis dein in tiil)iiin attenuatis pra^ditis, coUo a septo oper- 

 ciilari clanso, zoosporis amoebiieformibns, 2-20 in quoque sporangio 

 dein membrana cinctis et filamenta mycelica, ramosa, esoptata, 

 subindo tunicam zoosporangii perforantia germinatione emittentibns. 

 Jlal). u\ muco Clifeto p h or a? in Germania. 



HYPHOCHYTRIUM Z()[.r Zur Konnt. Phycom. p. 47, tab. 7, Hg. 13-20 

 (l"]tyni. a!) hi/phn ot chijlriuin). — Zoosporangia globosa vel t"ii- 

 soidea, pajjillata, basi vel subinde otiam apice filamentis mycelicis, 

 quandoque ramosis ornala. Zoosporse globosre, minuta' uniciliatie. 



1. Hyphochytrium infestans Zopf Zur Kennt. Pliycom. p. 47, tab. 7, ] 

 fig. lo-2U. — Zoosporangiis globosis, apice et basi apiculatis, 'yo- 

 60 ;/. diam. vel crasse fusoideis primo protoplasmate amorplio deiii 

 granuloso et demum in zoosporas diviso farctis. apice filamenfo- 

 rum myceiiorum vel ad medium sitis; zoosporis per ostiolum oxe- 

 untibus, cilio unico longo ornatis, circiter 3 y.. diam. 

 Hab. in Ilelotio qnodam in ("iermania. 



RHIZIDIOMYCES Zopf Zur Kennt. Piiycom. p. 48 (Etym. a rhiza ra- 

 dix et iii>icci< fungus). — • Zoosporangia prinio globosa dein in col- 

 lum apice globose inflatum desinentia, basi vesicula filamenta my- 

 celica ramosa emittente ornata. Zoospora? ovoidea?, uniciliatne. 



1. Rhizidiomyces apophysatus Zopf Zur Kennt. Phycom. p. 48, t. '.), i 

 (ig. 1-7. — Zoosporangiis primo globosis, basi vesicula matrice pe- 

 netrante, filamenta mycelica ramosa emittente ornatis, dein apice 

 in collum longum attenuatis, collo demum apice vesiculoso-incras- 

 sato ; vesicula globosa, protoplasmatc zoosporangi farcta. ejus ma- 

 gnitiidinem fijquante, dein zoosporis farcta ; zoosporis uniciliatis, 

 cilio simplici undulato, granulosis, ovoideis, 7-8:^4-5. 

 Hab. \n oogoniis A c h 1 y a:; racemosa^ in Germania. 



PROTOCHYTRIUM Borzi in Giorn. Pot. It. 1884 (Htym. prolo^ pri- 

 mus et chylrion ollula). — Zoosporangia globosa, dein zoosporis 

 farcta. Zoospora) subglobosa', apice attenuata\ uniciliata-'. Spora^ 

 perdurantes intra vesiculam protoplasmate hyalino farctam, sub- 

 glol)Osa\ crasse uninncleafa\ 



1. Protochytrium Spirogyrae P.or/I in Giorn. Bot. 1884. — Zoospo- i 

 rangiis globnsis, primo protoplasmato granuloso pivnlifis. ceiitro 



