148 DEMATIACEAE 



c. Conidia inserted irregularly 



(i) Hyphae loose, typically saprogenous 



(a) Hyphae vesiculose-inflated here and there 

 X. Conidia-bearing vesicles pleurogenous 



Oedemium 4: 297 

 y. Conidia-bearing vesicles acrogenous 



Cystophora 4:298 



(b) Hyphae not vesiculose-inflated 

 X. Fertile hyphae erect 



(x) Branches circinate at apex; conidia mesogenous, muricate 



Acrospira 4:282, 14:1056 

 (y) Branches spirally twisted; conidia exogenous 



Streptothrix 4: 282 

 (z) Hyphae simple or with straight branches 



Virgaria 4: 280 

 y. All hyphae more or less creeping 

 (x) Branches curved or lash-like 



Campsotrichum 4: 295 

 (y) Branches not curved 

 m. Conidia spiny, rarely smooth 



Zygodesmus 4:283 

 n. Conidia smooth 



(m) Conidia sessile Trichosporium 4: 288 



(n) Conidia on stalks or basidia 

 r. Conidia on tooth-like sterigmata 



Rhinocladium 4: 295 

 s. Conidia on jar-like basidia 



Basisporium 18:533 

 (2) Hyphae forming a crust, biogenous 



Glenospora 4:298 



d. Conidia solitary, acrogenous 

 (l) Fertile hyphae simple 



(a) Sterile hyphae lacking 



x. Fertile hyphae short and fascicled at base 



Hadrotrichum 4: 301 

 y. Fertile hyphae longer, separate Monotospora 4:299 



(b) Sterile hyphae present 



x. Conidia with a loose hyaline membrane 



fPhaeoconis 18:571 

 (Nigrospora) 

 y. Conidia without a membrane 



(x) Conidia with a large shining gutta 



Sporoglena 14: 1074 

 (y) Conidia without a shining gutta 



Acremoniella 4:302 

 (incl. Cordelia 10:586) 



