PHAEOSTILBAE 157 



b. Conidia smooth 



(i) Synnema carnose, racemose-branched 



Stilbothamnium 14: 11 10 

 (2) Synnema fibrous or corneous, not racemose 



(a) Basidia lageniform Ceratocladium 18:649 



(b) Basidia lacking, at least not lageniform 

 x. Synnema stalked, fibrous 



(x) Conidia dark, globose to elliptic 



Sporocybe 4: 604 

 (y) Conidia hyaline 

 m. Conidia ovoid to oblong Graphium 4: 609 



n. Conidia elongate or falcate Harpographium 4:619 

 y. Synnema sessile, corneous Glutinium 4: 620 



II. Conidia in chains 



1. Synnema setose Trichurus 14: 1112 



2. Synnema not setose 



a. Stalk scopulate branched above Stemmaria 10:696 



b. Stalk simple or nearly so 

 (1) Capitule loose 



(a) Base of synnema subequal ; usually on stems 



Stysanus 4: 620 



(b) Base of synnema perithecioid ; usually on leaves 



Graphiothecium 4:624 

 (.2) Capitule compact 



(a) Conidia globose 



x. Conidia echinulate Harpocephalum 14: 1111 

 y. Conidia smooth 



(x) Conidia pleurogenous Heydenia 4:625 



(y) Conidia acrogenous Briosia 10: 698 



(b) Conidia ovoid to oblong Antromycopsis 14: 1113 



Didymosporae 



4:626, 10:699, 18:654 



Conidia i-septate, dark or hyaline, oblong to cylindric 



I. Conidia muticate Didymobotryum 4: 626 



II. Conidia i-ciliate at apex Hoehneliella 18:654 



Phragmosporae 



4:627, 10:699, 11:644, 14:1113- 16:1089, 18:655 

 Conidia 2-several-septate, dark or hyaline, oblong to cylindric 

 I. Conidia capitate 



1. Synnema simple 



a. Synnema black; conidia densely capitate 



Arthrobotryum 4:628 



b. Synnema fuscous or pale ; conidia loosely capitate 



Isariopsis 4: 630 



2. Synnema dendroid branched Xylocladium 16: 1089 



