CLASSIFICATION 367 



yellowish brown ; pores yellowish, shallow, subangular ; stem 

 1-2 in. long, thin, smooth. 



Differs from P. brmnalis in the smooth stem. 



On wood, chips, etc. 



P. leptocephalus. — Pileus about i in. across, tough, convexo-plane, 

 smooth, fawn-colour, edge often wavy ; pores roundish, minute, 

 whitish, stem about i in. long, smooth. 



On trunks. 



P. schweinitzii. — Pileus 6-9 in. across, coarsely velvety, rusty 

 brown ; flesh spongy, brown ; tubes about ^ in. long, pores large, 

 irregular, yellow tinged green ; stem very short, thick, often 

 obsolete. 



In pine woods, about roots and stumps. 



P. rufescens. — Pileus 3-4 in. across, soft and spongy, unequal, 

 hairy, flesh-colour ; tubes rather short, pores wavy and torn, 

 pale flesh-colour ; stem short, sub-central or near to one side. 



Known amongst the hairy, soft-fleshed species by the pinkish 

 hymenium and large irregular torn pores. 



On stumps, etc. 



** Stem black at the base. 



P. sqnamosus (PI. XXVIII, fig. i).^ — Pileus broadly fan-shaped 

 or rounded, rather thin and flat, pallid or dingy pale yellow with 

 large, adpressed, concentrically arranged brown scales, 6-12 in. 

 across, flesh white ; pores very short, angular ; stem excentric 

 or almost attached to edge of pileus, short, netted above, black at 

 the base. 



Often clustered. Large and fan-shaped. 



On trunks and stumps. 



P. michelii. — Pileus 2-4 in. across, thin, wavy, squamulose, 

 white with a yellow tinge ; pores slightly elongated radiall3', 

 white ; stem more or less on one side, white, dusky at the base. 



On trunks and stumps, especially on willow. 



P. melanopiis. — Pileus 2-3 in. across, pliant, almost flat, then 

 depressed in the centre, flocculose, then smooth, pale tan-colour ; 

 pores decurrent, minute, white ; stem excentric, about i| in. long, 

 often curved, minutely velvety, black. 



Distinguished by the squamulose pileus when young, and the 

 minute pores. 



On roots, chips, and wood. 



P. rostkovii. — Cap 4-6 in. across, pliant, smooth, even, smoky, 

 infundibuliform, sometimes tinged tan ; pores decurrent, large, 

 angular, dingy, then yellowish ; stem 3-6 in. long, excentric, 

 abruptly black. 



Several stems often grow together at the base. Differs from 

 P. squamosus in absence of scales on cap. 



On trunks and stumps of ash, etc. 



