96 FUNGUS- FLORA. 



** Spores war ted or echinulate. 

 Thelephora. Dry and fibrous, hymenium rugulose. 



Soppittiella. Subgelatinous, effused or variously in- 

 crusting, hymenium even. 



B. Spores colourless. 

 * Parasitic on living leaves or stems. 

 Exobasidium. 



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

 f Hymenium minutely setulose with projecting cystidia. 



Peniophora. Cystidia colourless, rough at the tip with particles 

 of lime. 



Hymenochaete. Cystidia brown, smooth. 



ff Hymenium glabrous. 



Corticium. Entirely resupinate, hymenium usually 

 cracked when dry. 



Stereum.ij: 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. 



J In certain species of Stereum the spores are coloured. 



