POLYPOREI. 237 



20. POLYPORUS, Fr. 



Hymenopliorum descending into the trania of the pores, 

 which are not easily, if at all, separable, and changed ^vith 

 them into a distinct substance. 



1. Stem central ; pileiis entire. 



1 . P. brumalis, 7^/-. ; pileus fleshy, then coriaceous, some- 

 what umbilicate, zoneless, in the first season dingy-villous, in 

 the second squamulose, becoming smooth, pallid ; stem slender, 

 hirsuto-squamulose, pallid ; pores oblong and angular, slender, 

 acute, denticulate, white. — Rost. t. 8. 



On dead trunks and branches. Rare. Scotland. Portbury, 

 near Bristol, C. E. B. 



2. P. fuscidulus, jFV. ; pileus fleshy, then tough, subcori- 

 aceous, convexo-plane, zoneless, even, brown, tinged with yel- 

 low ; stem rather slender, equal, smooth, attenuated, pallid ; 

 pores adnate, angular, somewhat rounded, obtuse, quite entire, 

 yellowish.— 5o//. t. 170. 



Amongst chips, etc. Extremely rare. Darlington, Mr. 

 Robson. Pileus about 2 inches across. 



3. P. leptocephalus, Fr. ; pileus tough, coriaceous, convexo- 

 plane, thin, smooth, zoneless, even, pallid, then faM n-coloured ; 

 stem short, smooth, pallid; pores minute, rounded, obtuse, 

 adnate, whitish. — Jacq. Misc.i. t. 12. 



On trunks of trees. Rare. Scotland, Klotzsch. Also 

 found by Mr. Dickson. 



4. P. lentus, B. ; pileus fleshy, but tough, umbilicate, mi- 

 nutely scaly, especially at first ; stem hispid, furfuraceous, 

 rather slender, incurved, central or excentric ; pores irregular, 

 decurrent, white. (Plate 16, fig. 1.) 



On old stems of Ulex. Northamptonshire and Notting- 

 hamshire. Not uncommon. Allied to /-*. squainosun. 



