Hymenochczte 



THELEPHORACE^E 



409 



1829. H. abietina Mass, (from the habitat, trunks of fir, abies) a b. 

 P. effused, tomentose, sienna-brown. Hym. papillose, fuscous- 

 ferruginous, dull yellowish-purple, brownish-salmon or claret- 

 brown, clouded ivory-ochre or purple-lilac, becoming pale. 



Decaying fir, spruce-fir. 2\ in. Cracking when dry. 



1830. H. disciformis W. G. Sm., Thelephora disciformis DC. (from 



its frequent disc shape) a. White to ivory-white. 

 P. disciform, thinner towards the definite free naked marg. 



Hym. unequal. 

 Trunks, oak. ij in. This is Stereum disciforme Fr. Cooke has placed 



it in Peniophora> and has illustrated the plant with granular setae. Saccardo 



follows Cooke. My plants and those in British Museum have smooth 



setae. 



1831. H. Boltonii Cooke (after James Bolton of Halifax) a. 



P. villous, white to ochre or pale lavender, zoned brown or black. 



Hym. white to pale brown, becoming ferruginous-fuscous or 



dark red ; marg. crisped, free, thin. 

 Bird cherry. Feb. if in. Cracking when dry. 



LXXXV. CORTICIUM Pers. 

 (From the usual habitat, bark, cortex.} 



Resupinate. Hymenium often broadly effused, in a few species 

 the margin is slightly upraised, amphigenous, even or tuberculose, 



Fig. too. A, B, Corticinm salicinwti Fr., entire and in section, one-half 

 natural size, c, hymenium with basidia and spores, X 500. D, E, C. calceum Fr., 

 entire and in section, one-half natural size. 



waxy or fleshy-soft, usually contracting and cracking when dry, smooth, 

 arising immediately from the mycelium without an intermediate 



