10 



BRITISH DISCOMYCETES. 



centre of the pileus, hollow or filled with a floccose 

 medulla ; the adult pileus nritre-forru, compressed, lobate, 

 dry, pruinose beneath ; substance waxy-membranaceous ; 

 asci cylindrical ; sporidia 8, smooth ; paraphyses linear. 

 (Plate I. fig. 3.) 



The species vary in size from 1 to 7 inches in height ; 

 they are persistent, but fragile; their odour is not 

 offensive. They grow on the ground or on wood, in 

 spring and autumn. Most of them are reputed to be 

 edible. 



Name — A Latin name used by Cicero to denote some 



kind of fundus. 



Arrangement of the Species. 



a. 



B. 



c. 



Stem stout, sulcate 

 Stem stout, nearly even 

 Stem slender, even 



Key to the Species 



1. 



5. 



6. 



7. 



Stem stout 

 Stem slender 



( Stem sulcate 

 \ Stem nearly even 



( Pileus mouse-colour 

 -J Pileus black, cinereous, or fuliginous 



^ Pileus brown 



( Pileus pallid-white 

 -! Pileus brown 



(_ Pileus cinereous . . 



f Pileus purplish brown 

 -! Pileus spadicious 



^Pileus ochraceous 

 Pileus black 



v Pileus fuliginous 



f Pileus brown, stem not tomentose 

 \ Pileus brown, stem tomentose . . 

 J Stem fistulose 

 \ Stem stuffed 



( 



species 1-4 

 „ 5-7 

 „ 8-11 



1 

 2 

 3 



4 



elnstica. 



5 



6 



crispa. 



subcostata. 



7 



infula. 



monachella. 



guepinioides. 



atra. 



pulla. 



Klotzschiana. 



ephippiuiu. 



lacunosa. 



sulcata. 



A. STEM STOUT, SULCATE. 



1. Helvetia crispa. Fries. 



Pileus deflexed, lobed, free, crisped, pallid ; stem 

 fistulose, costato-lacunose ; asci cylindrical ; sporidia S } 

 elliptic, 18 X 9jli; paraphyses filiform. 



