112 FUNGUS-FLOEA. 



the cystidia fall away, leaving the hynienium glatrous, but 

 the microscope alwaj's reveals their presence. 



Peniophora ochracea, Mass. 



Broadly effused, inseparable, margin radiato-byssoid, soon 

 disappearing ; hymenium ochraceous, sparkling with minute 

 crystals of lime when fresh, cracked when dry; cystidia 

 fusoid, 40-50 X 20 /x ; spores elliptical, 10 x 5 /x. 



Peniophora ochracea, Mass., Mon. Thel., p. 150. 



Corticium ochraceum, Ft., Epicr, 563 ; Cke., Hdbk., n. 635 ; 

 Berk., Outl., p. 274; Stev., B. Fung. ii. 378. 



On bark and wood. Closely resembling in general hahit, 

 colour, and in jDresence of sparkling atoms on the hymenium, 

 Ooniophora olivacea, but distinguished by the cystidia and 

 smaller coloi^rless spores. 



Peniophora cinerea. Cooke, (fig. 7, p. 04.) 



Commencing as isolated rounded patches, which usually 

 become confluent, forming broadly effused patches, rigid ; 

 hynienium ashy or with brown tinge, margin similar; cystidia 

 I'usoid, 30-50 x 15-20 fx ; spores globose, 5-7 (jl. 



Peniophora cinerea, Cke., Grev. viii. p. 20, pi. 123, f . 8 ; 

 Mass., Mon. Thel., p. 148. 



Corticium cinereum, Berk., Outl., p. 275 ; Cke., Hdbk,, n. 

 937; Stev., Brit. F. ii. 279. 



On bark and wood, especially ash. Often commencing^ 

 as detached, circular patches of a brownish colour, these 

 usually soon grow into each other, forming irregular patches, 

 sometimes extending for several inches. The hymenium 

 is minutely velvety, and varies from brownish-grej", through 

 lead-colour to greyish-lilac when dry. 



Peniophora velutina. Cooke. 



Broadly effused, rather fleshy, inseparable, margin running 

 out into long branching strands ; hymenium velvety, cream 

 colour, often slightly tinged with pink or buff; cystidia 

 cylindrical or attenuated upwards, GO-80 x 10-15 /x; spores 

 elliptic with a minute apiculus, 10 x 5 /x. 



Peniophora velutina, Cke., Grev. viii, ]>. 21, pi. 125, f. 15 ; 

 Mass., Mon. Thel., p. 152. 



Corticium velutinum, Berk., Outl., p. 273 ; Cke., Hdbk., n, 

 927 ; Stev., Brit. F. ii. 275. 



