134 MUSHROOMS. 



thickened downward, velvety. This is a com- 

 mon species, and one meets with it everywhere 

 on the ground, and on stumps, from July to 

 January. The cap is IJ to 2 inches broad, 

 and the stem 1 inch long. 



POLYPORUS PIOIPESz= pitch and foot. 

 The Black-stemmed Polyporns. 



Gap pallid color, then turning chestnut, often 

 a pale yellowish livid color, with the disc chest- 

 nut, fleshy, leathery, rigid, tough, even, smooth, 

 depressed at disc or behind. Flesh white. 

 Stem eccentric and lateral, equal, firm, at 

 first velvety, then naked, and dotted black up 

 to the pores. Pores decurrent, round, very 

 small, rather slender, white, then slightly pale 

 and yellowish. This fungus grows on the 

 trunks of trees, and is found as late as the 

 middle of winter. 



POLTPOEUS SULPHUREUS = brimstone. 

 The Sulphury Polyporus. 



This mushroom gains its name from the color 

 of its pores, which are of a bright sulphur color. 

 It grows in tufted layers (csespitose), sometimes 

 1 to 2 feet long, and it cannot be mistaken. 



