POLYPORUS. 249 



Yery distinct from its nearest allies. Fleshy when young, 

 but becoming corky with age. It other respects variable. 

 The following forms occur : — ■ 



B. montanus. Pileus fleshy, thick, hairj', margin obtuse ; 

 pores obtuse, entire. C. sjmthulatus, pileus thin, villose, 

 margin acute, extended into a short lateral stem, dissepiments 

 thin, much. torn. 



Inodorous when fresh, but with a slight anise odour when 

 dry. Imbricated, pilei more or less growing into each other, 

 2 in. and more broad and thick, convex above, sometimes 

 velvety, at others strigose, margin acute, plane below. Pores 

 white, torn, sinuous and subrotund, very narrow, forming 

 long tubes. (Fries.) 



Polyporus fumosus. Fr. (figs. 14, 15, p. 184.) 



Horizontal, often imbricated, effused behind, 2-5 in. long, 

 pallid with a smoky tinge, silky becoming smooth, zoneless; 

 flesh whitish, fibroiis, rather corky, with indications of 

 zones ; pores shallow, roundish, small, whitish with smoky 

 tinge, darker when bruised, dissepiments entire ; spores 

 colourless, subpyriform or elliptical, 5 x 2 • 5 yu,. 



Polyporus fumosus. Fries, Syst. Myc, i. p. 367 ; Stev., Brit. 

 Fung., p. 200. 



On old stumps, trunks, &c. Imbricated and effused behind, 

 flesh rather thick, up to q: in., becoming thinner towards the 

 margin ; pores average about three in the space of 1 mm. 

 Distinguished from P. adustus by the thicker substance, and 

 in tlie pores not becoming black in drying. 



Tufted, imbricato-connate, whitish, tinged with smoky- 

 grey ; substance with indications of zones, smell not appre- 

 ciable. Pileus rather thick, 2-4 in. broad, surface glabrous 

 or silky. Pores equal. /3., small, pileus livid-grey, pores 

 white ; c, thin, pileus dingy brick-red, broad margin, and 

 pores white. (Fries.) 



Polyporus adustus. Fr. 

 Etfuso-reflexed and imbricate, or entirely resupinate, thin, 

 flaccid ; pileus pallid-greyish, villose, obsoletoly zoned, 

 rugulose; pores very short, minute, round, whitish-pruinose, 

 soon dingy-grey, blackish when dry ; spores colourless, 

 4-5 X 2'b fx. 



