HYALOSTILBAE 155 



1. Conidia not in chains 



a. Head of conidia not gaping or splitting above 



(1) Head not spiny 



(a) Conidiophores of head normal 

 x. Conidia covered with mucus 



(x) Synnema monocephalous 

 m. Conidiophores dendroid-verticillate 

 (m) Without distinct sterigmata 



Dendrostilbella 18:635 

 (n) With obpiriform sterigmata 



Pirobasidium 18:638 

 n. Conidiophores not dendroid-verticillate 



Stilbum 4: 564 

 (y) Synnema polycephalous 

 m. Capitula on extremely short branches 



Polycephalum 4:575 

 n. Capitula on spreading subulate branches 



Tilachlidium 4:576 

 o. Capitula on erect branches Corallodendrum 4: 576 

 y. Conidia without mucus 

 (x) Synnema monocephalous 

 m. Conidiophores spirally twisted 



Martindalia 4: 578 

 n. Conidiophores more or less straight 

 (m) Conidia rhombic or biconic 



Rhombostilbella 18:636 

 (n) Conidia globose to fusoid 



Ciliciopodium 4: 577 



(incl. Clavularia 10:686) 

 (y) Synnema polycephalous 

 m. Terrestrial, large, 1-2 cm. ; conidia ovoid 



Macrostilbum 16: 1083 

 n. Small, not terrestrial ; conidia elongate-ovate 



Chondromyces 4:576 



(b) Conidiophores conidium-like, septate ; monocephalous 



Atractiella 4: 578 



(2) Head spiny with radiating spicules 



(a) Spicules conic, granulate Actiniceps 4: 579 



(b) Spicules with many curved branches at middle 



Heterocephalum 18:642 



b. Head of conidia persistent below, splitting above 



Pilacre 4: 579 



2. Conid'a in chains 



a. Synnema with conidia above ; conidia without mucus 



(1) Synnema not pubescent Coremium 4: 581 



(incl. Pritzeliella 18:644) 



(2) Synnema pubescent Lasioderma 4: 584 



b. Synnema with conidia below ; conidia with mucus 



Microspatha 10:687 



