Polyporus POLYPORACE.E 339 



1530. P. Rostkovii Fr. (after Friedrich Wilhelm Gottlieb Rostkovius) 



a b c. 

 P. dimidiato-infundibuliform, somewhat thick, yellowish-sienna, 

 deep umber at mid. and behind. St. equal, reticulate, deep 

 umber to black. T. decurrent, short, white to dull yellowish. 

 Po. large, angular, toothed. 



Somewhat caespitose. Woods, on stumps, trunks, ash ; rare. July-Jan. 

 4£ X 1 \ X § in. 



1531. P. pieipes Fr. (from the pitch-black stem ; pix, pitch, pes, a 



foot) a b c. 

 P. somewhat depressed at mid. or behind, red-brown or chestnut. 

 St. equal or attenuate downwards, velvety to naked. T. 

 decurrent, somewhat short, whitish to yellowish. Po. round, 

 small. Flesh white. 



Odour somewhat sweet. Trunks, willow ; frequent. July - Dec. 

 6f X if X f in. Like a large 1533, var. nummularius : 



1532. P. varius Fr. (from its variable size, colour and form) a b c. 

 P. depressed at mid. or behind, somewhat virgate, yellowish- 

 brown, shaded palish vinous-umber ; marg. undulate. St. 

 even, smooth, cinereous blackish downwards. T. decurrent, 

 short, white to yellowish. Po. minute. Flesh white. 



Single to subcaespitose. Sometimes sessile. Trunks, stumps, ash, willow, 

 elder, birch ; frequent. Aug. -Feb. 3f X I J X f in. 



1533. P. eleg'ans Fr. (from its elegance) a b c. 



P. convex to slightly depressed, usually excentric or dimidiate, 

 becoming woody, ochreous, orange or reddish. St. even, 

 smooth, black, abruptly pallid at apex. T. adnate or slightly 

 decurrent, yellowish-white, brownish-yellow or slightly orange. 

 Po. minute. 



Single to subcrespitose. Trunks, birch, willow, beech ; frequent. July-Feb. 

 2§ x if X f in. Var. nummularius Fr. Smaller than type, P. almost 

 regular. 1 in. in diam. 



1534. P. petaloides Fr. (from a fancied resemblance in its shape and 



thinness to a leaf ; Gr. petalon, a leaf, eidos, appearance) a b. 

 P. spathulate, thin, rugose, zoneless, dark rich chestnut. 

 St. smooth, whitish, sometimes dark brown below. T. decurrent, 

 somewhat short, white. Po. minute. 



Old stumps. Jan. 2 x § X § in. 



b. Suberosolig?ioso3. 



1535. P. lueidus Fr. (from the shining pileus and stem ■ lucidus, 



bright) a b c. 

 P. fan-shaped or spathulate, sulcato-rugose, corky to woody, 

 lustrous, deep rich blood-chestnut. St. lateral, irregular, 

 uneven, lustrous, deep purple-chestnut. T. adnate, somewhat 



z 2 



