astomous, bearing variously formed, radi- 

 ating, thread-like appendages. - Erysipheae. 

 Mycelium persistent, brown, often bearing conidia, 

 sometimes inconspicuous or evanescent. 

 Perithecia globose or depressed, astomous, 

 always superficial. - Perisporieae. 



SUBORDER HYPOCREA.CBAE. 



The genera included in this suborder are all closely related and 

 are not separated into families. 



SUBORDER SPHAERIACBAE- 



A. Perithecia scattered, stroma wanting (simply Sphaeriae.) 

 * Perithecia, superficial or erumpent- superficial. 



(a) Perithecia hairy. 

 Perithecia membranaceous, or coriaceo-membran- 



aceous. - - - Trichosphaerieae. 



Perithecia thin membranaceous, with an apical 



tuft of hairs, lignicolous. - Chaetomieae. 



Perithecia carbonaceous or subcarbon- 



aceous. Melanommeae (partly.) 



Perithecia glabrous or hairy, fimicolous. Sordarieue. 



[h) Perithecia not hairy. 

 Perithecia thiii-membranaceous, with a subulate 



ostiolum, Ceralo^tomeae. 



Perithecia woody or corky. Melanommeae {pncb\y.) 



■ Perithecia subcarbonaccous, ostiolum compressed. Lophiostomeae. 

 Perithecia subcarbonaccous, ostiolum not 



compressed. ^ Amphisphaerieae. 



Perithecia carbonaceous, ostiolum soon deciduous 



and perithecia then broadly perforated 



above. - Trematosphaerieae. 



** Perithecia buried or only subemergent. 

 Perithecia small, simply perforated above. Sphaerelleae. 



Perithecia membranaceous or coraceo-mcmbranaceous. 

 ostiolum subulate. - - Onomonieae- 



Perithecia membranaceous, or coraciomeinbranaceous, 



ostiolum conical or papilliform. • Pleosporeae. 



Perithecia coriaceous, thick walled. Massarieae. 



Perithecia covered with a stromatic shield. Clypeosphaerieae. 



