Cliytrifliacoa", Oholidiuiii. 209 



erumpentem attenuatis, basi filamentis inycelicis cinctis; lilamentis ' 

 istis in cellula matricis penetrantihus et tum in liaustorium cras- 

 sum, a[)ice globose inflatum, incrassatis vel liberis et tum elonga- 

 tis ot ramosis: protoplasmate liyaliiio, zoosporis ovoideis, 8 ^T), gut- 

 tula hyalina et cilio simplici apice att^muato praiditis. 



Hab. in filamentis Mastigon omatis agruginei in Ger- 

 mania. 



3. Rhizophidium roseum De llai-y ot Wor. Beitr. Morpii. u. Biol. ^^^'^ 

 Pilze 1S()3. — Zoosporangiis sphairoideis vel elongato-spluoroideis, 

 25-250 •/. diam., sessilibus, basi filamentis mycelicis, validiuscu- 



lis, ramosis, radiciformibus cinctis. apice uno vel amplius ostiolis, 

 conoideis vel cylindraceo-tubulosis ornatis; membrana primo liya- 

 lina, deiu pallide brunnea; protoplasmate pallide rubro-carneo, zoo- 

 sporis .1 y.. diam., cilio simplici auctis. 



Ifab. in terra uda, in charta bibula uda etc. in Germania. 



4. Rhizophidium sporoctonum (Br.) Berl. ot De Ton., Ch. sporoclo- i^^so 

 num A. Br. Ueb. Chytr. 1855, p. 4. — Rhizophidw (jlohoso peraf- 

 fine et forsan tantum ejus varietas, a quo vero exiguitate distin- 

 guitur. 



IJah. \\\ cellula matre sporarum (Edogonii Vaucheri in 

 Germania. 



OBELIDIUM Nowakowski Beitr. zur Kennt. Chytr. p. 86, Schroet. 

 Krypt. Fl. Schles. pag. 192 (Ktyra. ab obelos subula). — Zoo- 

 sporangia unicellularia podunculo plus minusvo evoluto, crasse tu- 

 nicato, septis apice carente, basi septata in mycelio radiato, re- 

 ticulato-ramoso insidente inserta. Zoospora? per ostiolum pertu- 

 sum expulsa\ 



1. Obelidium mucronatum Now. Beitr. Kennt. Cliytr. pag. 80, t. V. lo^o 

 lig. 1-5, Schroet. Krypt. Flora Schles. p. 192. — Zoosporangiis 

 inferne in pedunculum stipitiformem, cylindraceum vel conoideum, 

 crasse tunicatum attenuatis, ellipsoideis vel conoideis, .'J2-5G ::;8-15, 

 plorumquo 42 y.. longis, apice aculeo acuuiinato, firmo terminatis, 

 basi mycelio radiato, circulariter efifuso circ. 100 y.. diam. insiden- 

 tibus; protoplasmate hyalino; zoosporis globosis, 2 ;/. diam., lalo- 

 raliter prope aculeum erumpentibus. 



Uab. in exuvia Culicis pipientis sub aqua servata intra 

 Chcv-tophoram quamdam nidulante in Germania. 



OLPIDIOPSIS Cornu Monogr. dos Saprolegniees p. 127, Schr. Krypt. 



