96 FUNGUS- FLORA. 



** Spores warted or echinulate. 

 Thelephora, — Dry and fibrous, liymoiiiiiia rugulose. 



Soppittiella. — Subgelatinous, effused or variously in- 

 crusting, hymenium even. 



B. Spores colourless. 



* Parasitic on living leaves m- stems. 



Exobasidium. — 



** Saprophytes, growing on dead wood, branches, &c. 



j" Hymenium minutely setulose with projecting cystidia. 



Peniophora. — Cystidia colourless, rough at the tip with particles 

 of lime. 



Hymenochaete. — Cystidia brown, smooth. 



If Hymenium glabrous. 



Corticium. — Entirely resupinate, bymenium usually 

 cracked when dry. 



Stereum.| — Effuso-reflexed, pileus silky or strigose, hy- 

 menium even. 



Cladoderris. — Horizontal and attached by a narrow point 

 behind, hymenium radiato-rugulose. 



Craterellus. — Large, erect, funnel-shaped. 



Cyphella. — Minute, cup-shaped, mouth open. 



Solenia. — Minute, cylindrical, gregarious or crowded, 

 tubular, mouth contracted. 



X In certain species of Btereum the spores are coloured. : 



