278 SaprolegQiaceae, Lageiiidium. 



2. Achlyogeton solatium Cornu in Hiill. Sffc. liot. France (1870), 91 

 p. 2U7. — Filauientis plus ruinusve ramosis; sporangiis ex fila- 

 mentis hinc inde septatis efformatis, appendicula septa cellula; lio- 

 spitalis perforante instructis; zoosporis demum in capitulum colle- 

 ctis ut ia Achlya, inde denudatis, tandem libere natantibus; oogo- 

 niis irregularibus, polysporis ; antlieridiis ignotis. 



llab. in cellulis CE d g n i i b s i d i n a 1 i s in aquario Alisma- 

 tem natantem continente, Paris Gallicfe. 



?>. Achlyogeton rostratiim Sorok. Not. sur les Veg. par. des Anguill. f). 

 in Ann. Scieiic. Nat. 187G, p. 62, t. III, f. 6-28. — Zoosporaiigiis 



7-9 ::: 5-6. 



Uab. intra Anguillulam, Kasan Rossia?. — u An revora Cafr- 

 naria Anguillulcc?)). 



RHIZOMYXA Borzi Nuov. Ficom, p. 6 (Et^^m. a rliiza radix et nijixa 

 mucilago). — Plasmodium difformo, cavitatem cellula^ doin ex toto 

 occupans, subinde globosum, 10-30 nucloos lonticulares continons, 

 cuticula tenui cinctum, appendiculam conicam brevem, per quam 

 zoospone exeunt, gerens vel ex toto in zoosporangium mutatum 

 vel in sporas immobiles bibernantes numerosas solutum. Zoospor;i\ 

 apice appendiculai perforantis soluto, exeuntes, sphgeroidea;!, uni- 

 Hagellata3, antice rostro brevissimo hyalino instructae. Spora; immo- 

 biles c partitione plasmatis ortfo sphreroidea.^ nudre, s;«pius in so- 

 ]'os collecta) parce zoosporipara) oogonia globosa, monospora. An- 

 theridia clavata, basi elata appendicula brevi iii oogonia peno- 

 trantia. OosporLO globos», episporio crassiusculo, levi tecta?. 



1. Rhizomyxa hypogaea Rorzi Nuovo Ficom. p. 6, f. I et II. — Clia- v. 

 racteres iidem ac generis : zoosporis 4-24, rarius ultra in quoque 

 zoosporangio, 5-G y.. latis, flagello 10-15 y.. longo instructis; spo- 

 ris perdurantibus, globulosis, 8 v.. circ. diam.; .soris sporarum opa- 

 cis, spha^roideis vel oblongis, 20-60 y.. latis, oogoniis 25-40 y- diani.. 

 antheridiis ;x;quilongis ; oosporis spha>roideis, 15-20 a. diam. 



Jlab. in radicibus plantarum diversarum, quas sa^pius enecat, pr. 

 Messina Siciliff". 



LAGENIDIUM SclieDk Algol. Mittheil. p. 12 (Etym, a lagena). — My- 

 celium ramosum ; zoosporangia globulosa. Zoosporaj semper nudfo 

 l)iciliata?; oogonia ot antheridia in individuis divorsis plerumque 

 ovoluta, ventricosa. Oospor;!? globos;i'. .Vnthoridia tenuia, saccifor- 

 ini;i, r;iniuIo oogoniuni })enotrantia. 



