492 Durand : Classification of the Fleshy Pezizineae 



C. Sessile. 



D. Spores elliptical or fusiform. 



E. Externally brown pilose or ciliate. 



F. Sessile on the substratum, regular. 



Lachnea. 



F. At first buried in the soil, finally splitting at the apex ir- 



regularly. 

 E. Externally white pilose. 

 D. Spores spherical. 



Sarcosphaera. 



Neottiella. 



Sphaerospora. 



2. ASCOBOLACEAE. 



A. Spores hyaline. 



B. Spores spherical. 



B. Spores elliptical or fusiform. 



C. Spores more than eight in an ascus. 

 C. Spores eight in each ascus. 

 D. Externally smooth. 

 D. Externally pilose. 

 A. Spores colored. 



B. Spores spherical. 

 B. Spores elliptical or fusiform. 

 C. Spores free in the ascus. 

 C. Spores enclosed in a sack in the ascus. 



3. Helotiaceae. 



A. Apothecia waxy, membranous or leathery. 

 B. Externally smooth. 



C. Sessile by a broad base. 

 D. Spores I -celled. 



D. Spores elliptical or fusiform, 2-4- celled. 

 D. Spores filiform, od -celled. 

 C. Stipitate, or at least narrowed to a slender base. 

 D. Spores spherical. 



D. Spores elliptical or fusiform, I -celled. 

 E. Apothecia green. 

 E. Apothecia not green. 

 F. Margin toothed. 

 F. Margin even. 



G. Not arising from a sclerotium. 



Cubonia 



Ryparobius. 



Ascopkanus 

 Lasiobolus. 



Buudieta. 



Ascobolus. 

 Saccoboltts 



Helotieae. 

 Pezizeileae. 



Pezizella. 

 Be Ionium. 



- 



Gorgoniceps. 



Pity a . 



Ch lorosplen ium . 



Cy at hi cala. 



H. Cup small, membranous, thin, usually collapsing 

 when dry ; stem slender. Phialea. 



H. Cup small, waxy, thick, not collapsing when dry ; 

 stem thick. Helotiu?n. 



H. Cup large, waxy-leathery ; stem long and slender. 



G. Arising from a sclerotium. 

 D. Spores elliptical or fusiform, 2~4-celled. 



Ciboria . 

 Sclerotinia. 



E. Cups large, waxy-leathery ; stem long and slender. 



Rutstroemia. 



E. Cups small, waxy, or membranous ; stem short. 



D. Spores filiform, co -septate. 



Belonioscypha. 

 Pocillum. 



