STEREUM. 133 



Stereum rugosum. Fr. 



Broadly eflfused, sometimes shortly reflexcd, coriaceous, at 

 length thick and rigid, pileiis at length smooth, brownish ; 

 hjTnenium pale greyish-yellow, changing slightly to red 

 when bniised, pruinose ; spores cylindrico-elliptical, straight, 

 11-12 X 4-5 yu. 



Stereum rugosum. Fries, Epicr., p. 552 ; Mass., Mon. Thel., 

 p. 191. 



Theleiiliora lauro-cerasi, Berk., Engl. Fl. v. p. 173. 



On trunks, &c. Very variable in form, wholly adnate, 

 partly reflexed, or pezizaeform. Agrees with S. sangumo- 

 lentum in becoming red when bruised, but differs in the 

 thicker, rigid substance, and in the larger, straight spores. 

 The hymenium is sometimes pale-yellow, at others pale- 

 grejish and livid. 



Stereum spadiceum. Fr. 



Coriaceous, thin, effuso-reflexed, villous, sub ferruginous, the 

 obtuse margin whitish ; hymenium smooth, brownish flesh- 

 colour, becoming red when bruised ; spores elliptical, 8 x 5 yu,. 



Stereum spadiceum. Fries, Epicrisis, p. 549 ; Mass., Mon. 

 Thel., p. 190. 



On trunks, &c. Distinguished amongst the species that 

 turn red when bruised by the dark colour of the hymenium. 



Stereum disciforme. Fr. 



Subcoriaceous, white, resupinate, determinate, the thin 

 margin free, naked, disciform ; the hymenium rigid, uneven, 

 pulverulent, pallid; spores subglobose, 16-18 /x, or 18 x 

 15-16 IX. 



Stereum disciforme., Fries, Epicr., p. 522 ; Mass., Mon. 

 Thel., p. 189. 



Feniophora disciforme, Cke., Grevillea, viii. p. 20, t. 122, 

 f. 2. 



On oak. Forming patches from i to 1 in. across, firm and 

 rigid. 



Stereum vorticosum. Fr. 



Pileua coriaceous, effuso-reflexed, obscurely zoned, coarsely 

 hirsute, pallid, margin similarly coloured ; hymenium slightly 

 rugulose, purple or lilac ; spores elliptical 7x4/*. 



Stereum vorticosum,, Fries, Obs. ii. p. 275; Mass., Mon. 

 Thel., p. 194. 



