96 B Irtish Funori, 



branclied; zygospore-foriniag brauclies stralo-hfc, 

 smooth, clavate ; zygospore subsplierical, blackish, 

 brown, warted, 300-350 yi. diameter. 



SjJorodinia aspergillus, Schrot. Kr. Fl. Schl. p. 209 ; 

 Sacc. Syll. vii. 702. 



Sporodinia diclwioma, Cke. Hdbk. n. 1898, fig. 

 704 (gonidial form). 



Syzygites megaloacarpus^ Cke. Hdbk. n. 1900, fio*. 

 306 (sexual form). 



Mueor ramosus, Cke. Hdbk. n. 1883. 



On decaying fangi. Not common. 



The gonidial state is recognized by the repeatedly 

 forked or dichotomously divided tips of the sporano-io- 

 phores, and the ob ovate sporangia. The sexual con- 

 dition resembles superficially Phycomyces nitens and 

 Spinellus fusiger, but distinguished by the smooth, 

 straight, zygosporic branches. 



Helicostylum, Corda. 



Sporangiferous hyphse erect or decumbent, 

 branched ; sporangium terminating main stem, large, 

 spherical, columella present ; branches spirally re- 

 curved, terminated by small globose or piriform 

 sporangiola, columella minute or absent. Spores 

 similar in the two forms of sporangia. 



Helicostylum, Corda, Ic. Fung. pt. v. pp. 17 and 

 55 ; Sacc. Syll. vii. p. 209; Cke. Hdbk. p. 936, fig. 

 408. 



Distinguished by the curved branches. 



Helicostylum elegans, Corda (figs. 15a-17). 

 Sporangiferous hyphse erect, elongated^ branched; 

 sporangium terminating main stem, globose, large ; 



