92 AGARICINI. 



Spores, fusiform, .0007 to .0008 inch long and .00024 to 

 .0003 inch broad, 



Pileus one and one-half to two inches broad. 

 Trexlertown cemetery, under a white pine tree, the only locality in the 

 Lehigh Valley. 



Genus XXXIII. PAXII,I,US. 



H3^menophore continuous with the stem, decurrent. Gills 

 membranaceous, scissile, somewhat branched and here and 

 there anastomosing behind, distinct from the hymenophore 

 and readily separating from it. Spores dingy w^hitish or ferru- 

 ginous. Fleshy, putresent, pileus at first with the margin 

 involute then continuously and gradually unfolded and dilated, 

 indeterminate. — Stevenson" s British Fungi. 



P. involutus. Fr. 



Pileus, compact, convex, plane, then depressed, moist, 

 becoming plane, margin involute and tomentose, brown, 

 becoming darker. 



Gills, branched and anastomosing behind, near the stem, 

 easily separating from the hymenophore. 



Stem, fleshy, solid, firm, thickened upwards, brown, 



spotted. 



This genus is named from Paxillus, small stake. This specimen was 

 found along the side of a mossy bank on the mountain near Macungie. 



P. atrotomentoSUS. Fr. Dark Downy Paxillus. 



Pileus, fleshy, convex, plane, then depressed or infundi- 

 buliform, granulose, margin thin, involute. 



Gills, crowded, straight, branched behind, brownish. 



Stem, solid, elastic, curved, ascending, clad with a dense 

 black velvet covering. 



Scarce in the I^ehigh Valley. 



