SECTION AMAURODERMUS. 



6. 



POLYPORUS. SPORES DISTINCTLY ROUGH. 

 SLENDER, USUALLY MESOPODAL. 



STEM 



a. STIPE SMOOTH, NOT LACCATE SURFACE. 



ANGUSTUS (Fig. 410). Pileus large (10 inches in diameter) 

 with glabrous, strongly rugulose, zoned, dull, grayish brown, not lac- 

 cate, crust. Stipe mesopodal, an inch thick, with spongy context and 

 hard, smooth, gray, not laccate crust. Pores minute, soft, pale isabel- 



Fig. 410 

 Amaurodermus angustus. (Reduced more than one-half) . 



