Pezizaceae 



39 



Apothecia usually stipitate and 

 densely hairy or tomentose; 

 substance usually tough and 

 leathery. 



Apothecia sessile or short- 

 stipitate, not densely hairy 

 or tomentose; substance 

 usually fleshy and brittle. 



Tribe 7. Sarcoscypheae. 



Tribe 8. Pezizeae. 



1. Sphaerospora. 



2. Pseudoplectania. 



Tribe 1. Sphaerosporeae. Apothecia fleshy to cartilagi- 

 nous, sessile or stipitate, naked or hairy; hairs either bristly or 

 flexuous, hyaline or colored ; asci usually 8-spored but often with 

 a part of the spores undeveloped, often strongly protruding, 

 operculate; spores globose or rarely very slightly elongated, 

 smooth or sculptured, hyaline or faintly colored, yellowish to 

 pale-brown or blackish; paraphyses filiform to clavate. 



Plants growing on humus or living plants, not re- 

 stricted to the dung of animals. 

 Apothecia clothed with well-developed bristles or 

 flexuous hairs. 

 Apothecia red, brown or greenish; substance 



soft and fleshy or waxy. 

 Apothecia black or brownish-black; substance 

 tough or cartilaginous. 

 Apothecia naked, not clothed with well-developed 

 hairs. 

 Apothecia subglobose, externally entirely cov- 

 ered by the hymenium; substance approach- 

 ing cartilaginous.' 

 Apothecia discoid to convex-hemispheric with 

 the hymenium restricted to the upper 

 surface and sides; substance soft and 

 fleshy or waxy. 

 Plants growing on the ground or on humus. 

 Hymenium strongly convex, approach- 

 ing Sphaerosoma in form. 

 Hymenium concave, plane or slightly 

 convex. 

 Plants growing on living or recently killed 

 foliage and branches of coniferous trees; 

 substance tough and G'^orm-like. 

 Plants normally growing only on the dung of animals. 

 Spores becoming pale-brown as they mature. 

 Spores remaining permanently hyaline. 



3. Sphaerosoma. 



4. Boudiera. 



5. L.MVIPROSPORA. 



6. PiTHYA. 



7. ASCODESMIS. 



8. CUBONIA. 



Tribe 2. Ascoboleae. Apothecia usually small, often less 

 than 1 mm. or rarely exceeding 1 cm. in diameter, usually 



