astomous, bearing variously formed, radi- 

 ating, thread-like appendages. Erysipheae. 

 Mycelium persistent, brown, often bearing conidia, 

 sometimes inconspicuous or evanescent. 

 Pcrithecia globose or depressed, astomous, 

 always superficial. Perisporieae. 



SUBORDER HYPOCREACEAE. 



The genera included in this suborder are all closely related and 

 arc not separated into families. 



SUBORDER SPHAERIACEAE 



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



* Pcrithecia, superficial or erumj)ent- superficial. 



(a) Perithecia hairy. 



Pcrithecia membranaeeous, or coriaceo-membran- 



aceous. Trichosphaerieae. 



Pcrithecia thin membranaeeous, with an apical 



tuft of hairs, lignicolous. Chaetomieae. 



Pcrithecia carbonaceous or subcarbon- 



aceous. Melanommeae (partly.) 



Perithecia glabrous or hairy, firnicolous. Sordarieae. 



(b) Perithecia not hairy. 



Perithecia thin-membrariaccous, with a subulate 



ostiolum, Ceralostomeae. 



Perithecia woody or corky. Melanommeae (partly.) 



Peiithecia subcarbonaceous, ostiolum compressed. Lopkiosto?neae. 

 Pcrithecia subcarbonaceous, ostiolum not 



compressed. Amj)hisphaerieae. 



IVrithceia carbonaceous, ostiolum soon- deciduous 



and pcrithecia then broadly perforated 



above. Trcmatosphaerieae. 



Pcrithecia buried or only sub emergent. 



Perithcria email, simply perforated above. Sphaerelleae. 



1'i-ritliccia membranaceoufl or coraceo-mcuibranaceoiis. 

 ostiolum subulate. Gnomonieae- 



Perithecia membranaeeous, or coracio membranaeeous, 



(Htiolum conical or papilliform. Pleosporeae. 



Pcrithecia coriaceous, thick walled. Massarieae. 



Ferithccia covcrcil with a stiomatic, shield. Clypeosphacrieae. 



