10 FUNGUS-FLORA. 



Ord. ASCOMYCETES. 

 Earn. Gymnoascaceae. 

 Ascophore absent, hence the asci are naked. 



Earn. Hysteriaceae. 



Ascophore elongated, black, minute, dehiscing by an elon- 

 gated narrow slit. 



Earn. Discomycetes. 



Ascophore more or less fleshy, often large, usually bright 

 coloured ; disc or hymenium fully exposed at maturity. 



Fam. Pyrenomycetes. 



Ascophore small, globose or flask-shaped, dehiscing by a 

 minute apical, rounded pore, or rarely by a slightly elon- 

 gated slit, or indehiscent ; either solitary, or gregarious on a 

 variously formed stroma. 



Fam. Tuberaceae. 



Subterranean ; ascophore irregularly globose, usually large, 

 indehiscent. 



Earn. GYMNOASCACEAE. Baran. 



Ascophore spurious, excipuluni entirely absent; often 

 effused and forming spots or patches ; sometimes byssoid ; 

 rarely forming wart-like prominences ; asci more or less 

 exposed, 1-4^8-many-spored, paraphyses very rare. 



