886 AQUATIC PHYCOMYCETES 



Sapromyces androgynus Thaxter 

 Bot. Gaz., 21 : 329, pi. 22, figs. 16-19. 1896 

 (Fig. 70 A, p. 890) 



Basal cell slender, 1 15-247 \x long by 16-23 u. in diameter, holdfasts 

 few, the apical cylindrical or narrowly clavate secondary axes constrict- 

 ed and septate at their point of origin, about 8-16 \x in diameter, up to 

 180 [j. long, whole plant 500-2600 \x long; sporangia pedicellate, borne 

 singly or in whorls, subcylindrical, ovoid, or ellipsoidal, 49-109 \x long 

 by 16-30 u. in diameter; zoospores laterally biflagellate ; antheridium 

 androgynous, applied at the apex of the oogonium, consisting of a 

 distally swollen and irregularly clavate slender unbranched sometimes 

 twisted segment which arises laterally just beneath the oogonium; 

 oogonium terminal or lateral, pedicellate, spherical or broadly pyriform, 

 colorless and smooth or with a dark scaly wall, 35-50 by 27-30 \i\ 

 oospore spherical, 20-26 u, in diameter, with a thick colorless or faintly 

 golden wall raised in a series of low uneven prominences, germination 

 not observed. 



A species of infrequent occurrence, forming dense pustules often 

 unmixed with other Phycomycetes. On submerged sticks, Thaxter (be. 

 cit.), Era.ximts and other twigs, Sparrow (1932b: 295, pi. 7, figs. B, I), 

 twigs, Kevorkian (1935:279), Johns (comm.), (North Carolina) 

 United States; cones and twigs of Picea, Cejp (1936:text figs. A-C, 

 pi. 1 1 ), Czechoslovakia ; Weston (1938: 246), Newfoundland ; Weston 

 (be. cit.), Panama. 



The species has been reported as grown in pure culture by Emerson 

 (1950). 



RECENTLY DESCRIBED TAXON * 



Sapromyces indicus Iyengar, Ramakrishnan, and Subramanian 



J. Indian Bot. Soc, 34: 144, figs. 1-19. 1955 



"Basal pseudo-cell relative to the branch system small, obpyriform, 

 56 x 42 (42-80 x 28-63) u.. Vegetative hyphal system arising from the 

 top of the basal pseudo-cell; hyphae branched and divided into seg- 



1 Not included in the kev. 



