A MANUAL 



OF THE 



BRITISH DISCOMYCETES. 



DISCOMYCETES. Fries. 



RECEPTACLE cupulate, applanate, mitrate, stipitate, 

 sessile, or immersed ; hymenium superior, more or less 

 exposed ; substance fleshy, waxy, gelatinous, or rarely 

 cartilaginous; asci cylindrical or clavate, containing 

 usually 8 sporidia (rarely 4, 16, 32, or more). 



Name From Sioicoe, a disc, and juvjcije, a fungus. 



Order I. HELVELLACEI. Fries. 



Receptacle vertical, stipitate, pileate, mitrate, or clavi- 

 form ; bearing the hymenium on the upper surface, which 

 is always exposed ; substance between fleshy and waxy, 

 rarely gelatinous. 



Name From the typical genus, Helvetia. 



ARRANGEMENT OF THE GENERA. 



I. Morchella. Dill. 

 II. Gyromitra. Fries. 



III, Helvella. Fries. 



IV. Verpa. Swartz. 

 V. Leotia. Fries. 



VI. Mitrula. Fries. 

 VII. Spathularia. Pers. 

 VIH. Leptoglossum. Cooke. 

 IX. Gcoglossum. Pt-rs. 

 X. Rhizina. Fries. 



