154 STILBACEAE 



3. Conidia catenate 



a. Hyphae velvety, erect, subsimple; conidia caudate 



Alternaria 4: 545 



b. Hyphae crustose, various; conidia 2-celled ; conidia-like ganglia sarciniform 



Fumago 4: 547 

 II. Conidia of two forms, dark sarciniform and subhyaline falcate 



Sarcinella 4 : 548 



Staurosporae 



4:552, 11:639, 14: 1107, 16: 1181, 18:625 

 Gonidia forked or stellate, usually dark, septate or continuous 



I. Conidia of two forms, small fusoid hyaline, large lobate many-celled, brown 



Desmidiospora 10:568 



II. Conidia alike 



1. Fertile hyphae present; conidia 3-4-radiate 



^ Triposporium 4 : 554 



2. Fertile hyphae lacking 



a. Conidia on a cellular stroma, 2-4-digitate 



Chiromyces 4: 554 



b. Celluiar stroma lacking 



(i) Conidia 3-severaI- radiate ; xylogenous 



Ceratosporium 4: 552 

 (2) Conidia 2-radiate; phyllogenous Hirudinaria 4:553 



Scolecosporae 

 Conidia long-filiform or vermicular 

 One genus Cercospora 4: 431, 14: logg 



Helicosporae 



4:557, 10:680, 11:638, 14:1107, 16:1081, 18:624 

 Conidia cylindric, spiral or convolute, typically septate, dark or hyaline 



I. Hyphae obsolete Helicopsis 10: 680 



II. Hyphae present 



1. Conidia septate transversely Helicosporium 4: 557 



2. Conidia muriform Helicoma 11:638 



Family 77. STILBACEAE 



Sterile hyphae creeping, scanty; fertile hyphae collected into stalk-like or stroraa- 

 like fascicles bearing conidia at the top, more rarely along the side, pale, bright- 

 colored or dark. 



Hyalostilbae 



Hyphae and conidia pale or bright-colored, not dark or black 



Amerosporae 



4:561, 10:681, 11:640, 14:1107, 16:1082, 18:630 

 Conidia globose, elliptic or oblong, i-celled, hyaline or pale, or bright-colored 

 I. Conidial part distinctly capitate or at least terminal 



