STEEBUM. 133 



Stereum rugosum. !Fr. 



Broadly effused, sometimes stortly reflexed, coriaceous, at 

 lengtli thick and rigid, pileus at length smooth, brownish ; 

 hym.enium pale greyish-yellow, changing slightly to red 

 when hniised, pruinose j spores cylindrico-elliptical, straight, 

 11-12 X 4^5 //,. 



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

 p. 191, 



ThelepJtora lauro-cerasi. Berk., Engl. El. v. p. 173. 

 ■ On trunks, &o. Very variable in form, wholly adnate, 

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

 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- 

 greyish and livid. 



Stereum spadiceum. Er. 



Coriaceous, thin, effuso- reflexed, villous, subferruginous, the 

 obtuse nlargin whitish ; hymenium smooth, brownish flesh- 

 colour, becoming red when bruised ; spores elliptical, 8 X 5 /*. 



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 /;i or 18 x 

 15-16 /i. 



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

 Thel., p. 189. 



Peniophora disciforms, Oke., Grevillea, viii. p. 20, t. 122, 

 f. 2. 



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

 rigid. 



Stereum vorticosum. Fr. 



Pileus coriaceous, effuso-reflexed, obscurely zoned, coarsely 

 hirsute, pallid, margin similarly coloured ; hymenium slightly 

 rugulose, purple or lilac ; spores elliptical 7 x 4 /«,. 



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

 The]., p. 194. 



