Polyporus POLYPORACE^; 337 



1522. P. leptoeephalus Fr. (from the thin pileus ; Gr. leptos, thin, 



kcphale, the head) a b c. 



P. convexo-plane, slightly depressed or subumbilicate, thin, 

 leathery, pale yellowish-buff or shining yellowish. St. smooth, 

 colour as P., sometimes black at base. T. adnate. Po. 

 minute, colour as P. or whitish. Flesh white. 



Woods, on trunks, dead birch ; rare. Oct. -Mar. 2^ X if X T 3 5 in. 



c. SpongWSCB. 



1523. P. Sehweinitzii Fr. (after Ludwig David von Schweinitz) a b c. 

 P. expanded, rugged-uneven, strigoso-tomentose, thick, deep 



orange-sienna to sienna-umber, irregularly zoned brown ; mid. 

 almost black. St. rugged-uneven or obsolete, sulphur, umber- 

 clouded below, dark umber at base. T. decurrent, large, 

 sulphur to green-brownish-sulphur. Po. torn. Flesh deep 

 sienna. 



Woods, about roots, fir, pine, larch. July-Oct. 6J X if X l| in. Hartig 

 states that this fungus has an effect on living wood similar to that of the 

 "Dry-Rot" 1680. 



1524. P. rufeseens Fr. (from the rufescent colour) a b c. 



P. depressed to infundibuliform, somewhat thin, strigose, pale 

 vinous-umber; mid. darker; marg. irregular. St. equal, 

 uneven, sometimes lateral or absent, colour as P., darker and 

 clouded below. T. decurrent, pale yellowish-vinous-umber. 

 Po. torn. Flesh colour as P. 



On and about stumps, ash, elm. Sept. -Jan. 5 x 2\ X I in. Sometimes 

 wholly biscuit-buff. 



d. Subcoriacea. 



1524a. P. tomentosus Fr. (from the minutely velvety pileus ; tomen- 



ti/iH, wool) a c. 



P. plane, corky, becoming hard, often lobed and irregular, 

 tawny ; marg. thin, straight, sometimes yellowish. St. solid, 

 attenuate upwards, sometimes a mere base or central point, 

 sometimes rooting, steel-grey. T. subdecurrent, short. Po. 

 very minute, entire, pale- or greyish-yellow, at first delicately 

 whitish-pruinose. Flesh pale tawny. 



On the ground. 2 x X \ in. This with 1524b, 1525 and 1526 have been 

 placed by Cooke, Saccardo and Massee in Polystictus. 



1524b. P. Montagnei Fr. (after J. F. C. Montagne) a. 



P. cyathiform, irregular, zoneless, uneven, ferruginous, becoming 

 smooth ; marg. thin. St. unequal, pubescent, colour as P. 

 T. short. Po. large, round, edge entire, yellowish-white, then 

 ferruginous. Flesh tawny-cinnamon. 



Distinguished from 1525 by the zoneless pileus and large entire pores. 

 Autumn. \\ X \\ X r 3 5 in. 



Z 



