462 Phycomycetje, Saprole^niacese, Gonapodya. 



MONOBLEPHARIS Cornu — Syll. VII, p. 277. 



1. Monoblepharis Insignis Thaxt. Bot. Gaz. 1895, p. 438, t. XXIX, 1714 

 fig. 1-7, — Hyphis erectis, rigidis, hyalinis v. pailidissime rube- 

 scenti-brunneis, subcylindraceis, raro ramosis, 1 '/,-2 '/j mm. longis, 

 8-15 ij. crassis; antheridiis latis, subconicis usque subcylindraceis, ap- 

 proximatis v. leviter divergentibus, apice rotundato saepe introrsum 

 curvulis, subsymmetricis v. S9&pe basi irregulariter protrusis, anthe- 

 rozoidiis numerosis (24-32), uniciliatis; oosporis in oogonio matu- 

 rantibus, levibus, pallide succineis, sphaericis usque longe oblongis 



V. irregularibus, 30-45 « 22-33 ; oogoniis solitariis v. pluribus apice 

 hypharum superimpositis, irregularibus; zoosporangiis paucis, 00- 

 goniis similibus; zoosporis biciliatis (?), circiter 10-12 p. diam; 



Hab. ad ramenta aqua snbmersa in fossis et stagnis, Massa- 

 chusetts, Maine Amer. bor. 



2. Monoblepharis fasciculata Thaxt. Bot. Gaz. 1895, p. 439, t. XXIX, ni5 

 fig. 8-12. — Hyphis rigidis, cylindraceis, simplicibus v. raro ra- 

 mosis, apicibus exceptis, 1-2 mm. longis, 6 p.. crassis; antheridiis 

 angustis, attenuatis, non divergentibus ; antherozoidiis 16 in quoque 

 antheridio, 3 p. diam. ; oogoniis ovalibus, oblongis v. ellipticis, 

 collo minuto, prominente, plerum^que antheridio brevioribus, ter- 

 minalibus, soUtariis vel in apicibus ramorum superimpositis; 00- . 

 sporis plus minus regulariter ovali-oblongis v. ellipticis, levibus, 

 palhde succineis, in oogonio maturantibus, 22 ^ 18 ; zoosporangiis 

 oogoniis simiUbus, antheridia gerentibus; zoosporis biciUatis, 5-6 f/,. 

 diam. 



Hdb. ad ramenta submersa in fossis et stagnis cum prsecedente, 

 Massachusetts, Amer. bor. 



GONAPODYA Pisch. Phycom. p. 327 et 382ciim icone [Btym. gonis 



geniculum et apodya [ex apodyomai exuo me]). MyceUi hyphae 

 sequaUter constricto-moniUformes, non septatae, ra.mosae; sporangia 

 terminaUa; zoosporse soUtariae, uniciUatae; oogonia terminalia; 00- 

 sporse soUtariae, in oogoniis maturantes. — My^rioblepharidi per- 

 affinis. 

 1. Gonapodya siliquaeformis (Reinschj Thaxt. Bot. Gaz, 1895, p. 480, 1716 

 tab, XXXI, fig. 6-10; Saprolegnia siliquceformis E/einsch, Jahrb. 

 wiss. Bot. XI, p. 293; Gonapodya proUfera Pisch. Phycom. p. 382; 

 MonoblepTiaris prolifera Cornu Rem. sur quelqu. Saprol. nouv. in 

 Bull. Soc. Fr. 1877, p. 226; Sacc. Syll. VII, p. 277. — Hyphis 

 firmis, 250-500 u. longis, in segmenta eUiptica v. longe clavata 



