Phycomycetse, SaprolegTiiacese, Saprolegnia. ^3 



circiter 25 ^ 14 a. metientia plus minus regulariter divisis, copiose 

 subumbellateque ramosis; sporangiis proliferis, longe siliqusefor- 

 mibus, maximis, circiter 130 v 22 n., interdum usque ad 250 a. 

 longis, infra inflatis, sessilibus; zoosporis numerosis, uniciliatis, 

 ovalibus v. ellipticis, conspicue nucleatis; oosporis ovalibus, bya- 

 linis. 



Hab. in f r u c t i b u s putridis aqua immersis in Germania, Gallia 

 et America boreali. 

 2. Gonapodya polymorpha Tbaxt. Bot. Gaz. 1895, p. 481, t. XXXI, m? 

 fig. 11-16. — Hypbis irregulariter ramosis, 200-1000 p.. longis, 

 in segmenta ovalia v. irregularia, interdum obsoleta divisis; spp- 

 rangiis variis, longe ovalibus, apicem versus abrupte attenuatis, 

 solitariis vel ex uno segmento pluribus adscendentibus, proliferis; 

 zoosporis variis, interdum biciliatis. 



Hab. in ramulis aqua submersis in America boreali. 



SAPROLEGNIA Nees — Syll. YII, p. 268, IX, p. 345, XI, p. 244. 



L Saprolegnia esocina Maurizio in PringsL.. Jabrb. XXIX, p, 82, t. I, 1718 

 fig. 4-17. — • Filamentis 23-46 '/^ a. diam., ramosis, ramis 7-16 ^. 

 diam., in caespitem rigidum demum subflaccidum aggregatis; oogo- 

 niis globosis v. oblongis, 70-82 a, diam. vel 95-109 >^ 60-77 '/,, 

 membrana hyalina, tenui, punctis numerosis subprominulis prse- 

 dita; oosporis plerumque numerosis in quoque oogonio (1-30), 

 membrana tenui hyalina tectis, 21 ^/^-2b a. diam. 

 Hab. adpisces (Esocem) in Helvetia. 



2. Saprolegnia Intemiedia Maurizio in Pringsb. Jahrb. XXIX, p. 97, 1719 

 tab. II, fig. 37-51-a. — Filamentis 34-36 y^ a. diam., ramosis, 

 ramis 6-15^2 a, diam., in caespitem tenuem circiter y^ cm. lon- 

 gum aggregatis; zoosporis 11-15 y^ ij.. diam.; oogoniis globosis, 

 piriformibus v. orculseformibus, 48-113 u. diam., membrana te- 

 nuissima, liyalina, punctata prseditis; oosporis plerumque 6-10 in 

 quoque oogonio, sed interdum etiam usque ad 40, membrana crassa 

 hyalina tectis, 19-23 u. diam.; antheridiis intercellularibus. 



Hab. in palude ad Wallensee Helvetise. 



3. Saprolegnla bodanica Maurizio in Pringsh. Jahrb. XXIX, p. 107, 1720 

 tab. II, fig. 52-59, — Filamentis 31-47 p. diam., ramosis, ramis 

 ^y^-l^y^ y.. diam., iri csespitem ca. 2 cm. longum tenuem, latis- 

 simum aggregatis; antheridiis nullis; oogoniis globosis, rarius ob- 

 longis, 54-93 a. diam. vel 108 « 88, membrana tenui hyahna, pun- 

 ctis numerosis minutis subprominulis prsedita; oosporis in quoque 



