228 



MONILIALES 



(b) Conidia without mucus 

 X. Synnema monocephalous 

 (x) Conidiophores spirally twisted 

 (y) Conidiophores more or less straight 

 m. Conidia rhombic or biconic 

 n. Conidia globose to fusoid 

 (m) Conidia acrogenous 

 (n) Conidia pleurogenous 

 y. Synnema polycephalous, terrestrial, 

 large 

 B. Conidial part cylindric or long-clavate 



1. Conidia more or less equally distributed on the 



synnema 



a. Conidia catenate 



b. Conidia not catenate 



(1) Conidiophores ovoid with an apical fili- 



form sterigma 



(2) Conidiophores not ovoid and sterigmate 



2. Conidia in lateral groups 



a. Conidiophores with sterigmata; conidia in 



capituli; typically entomophilous 



b. Conidiophores without sterigmata; conidia 



umbellate; not entomophilous 



Martindalia 4 :578 



Rhombostilbella 18:636 



Ciliciopus 4:577; 57 

 Clathrotrichum 



Macrostilbum 16:1083 



Alphitomyces 22:1445 



Trichosterigma 

 Isaria 4:584; 57 



Gibellula 11:643; 57 

 Articulis 22:1443 



Didymosporae 



18:645, 22:1446 



Conidia 2-celled, hyaline, oblong to fusoid 



Didymostilbe 18:645 



A. Synnema capitate; conidia fusoid 



B. Synnema cylindric 



1. Synnema with a paraphysate disk at tip 



2. Synnema merely fimbriate at tip 



Actinostilbe 

 Didymobotrys 18:645 



Phragmosporae 



4:598, 10:691, 14:1109, 18:646 

 Conidia x-celled, hyaline, oblong to bacillar or filiform 



Symphyosira 4:600 



A. Conidia catenate 



B. Conidia not catenate 



1. Conidia aristate, separating a-t the joints 



2. Conidia not aristate or separating 



Stilbomyces 14:1109 

 Atractium 4:599; 57 



Helicosporae 



18:658 



Conidia filiform, spirally twisted 



Synnema setose; conidia acropleurogenous Helicostilbe 18:657 



Phaeostilbae 

 Hyphae and conidia or the one or the other dark 



