CONIOPHOEA. 101 



nium rusty-brown, pulverulent, even, entire ; spores ellip- 

 tical, yellow-brown, 14-15 x 9-10 //,. 



Ooniophora pulverulenta, Mass., Mon. Thel., p. 129. 



Tel&phora puherulenta, Lev., Ann. Sci. Nat., ser. iii., vol. v. 

 p. 149 (1846). 



On wood. The rusty-brown or sometimes dark- brown 

 hymenium, white byssoid margin, and large spores charac- 

 terise the present species. 



Coniophora Cookei. Mass. 



Effused, fibrilloso-membranaceous, margin byssoid, whit- 

 ish ; hymenium olive with a rusty tinge, even, pulverulent ; 

 spores elliptic, ochraceous, 9-11 x 6 /a. 



Coniophora Coohei, Mass., Mon. Thel., p. 136. 



On rotting wood. Closely resembling externally Corticium 

 laxum, "Ex., but this species, as proved by a specimen from 

 Pries in the Berkeley collection, Kew, No. 3656, is a true 

 Thelephora. 



Coniophora membranacea. D.C. 



Broadly effused, subrotund, thin, fragile when mature, 

 separable from the matrix, margin minutely fibrillose, yellow- 

 ish ; hymenium minutely pulverulent, pallid then dirty pale 

 feruginous ; spores elliptical, yellow-brown, 10-15 X 5-6 /x,. 



Coniophora membranacea, Mass., Mon. Thel., p. 187. 



On wood, walls, &c. Forming broadly expanded, thin 

 patches often a foot or more in diameter, becoming cracked 

 and peeling off in shreds when dry. 



Coniophora umbrina. Mass. 



Effused, adnate, soft and fleshy at first, margin radiato- 

 villose, umber; hymenium tuberculose, then irregularly 

 contracted during drying, rusty-umber, spores elliptical 

 with a minute apioulus at the base, pale umber, 12-14 x 8- 

 10 /A. 



Coniophora umbrina, Mass., Mon. Thel., p. 131. 



Corticium umbrinum, Stev., Brit. Fung., vol. ii. p. 282. 



On wood, branches, twigs, and on the ground. Eather 

 thick and fleshy, irregular, incrusting various substances. 



Coniophora cinnamomea. Mass. 

 Commencing as isolated patches, which soon become con- 

 fluent and form a broad, irregularly effused patch, with a 



