56 Annual Report of the State Botanist. 



Spongiosa 



Pileus compact, becoming- spongy, fleshy quite to the mai*g-in, 

 obtuse, even, glabrous, moist; stem stout, fibrous-spongy, com- 

 monly thickened at the base ; lamellae at length spiu'iously but 

 sinuately decurrent. 



Mostly autumnal, growing in troops. T. album. T. nohile and T'. 

 laterarium, though ha^•ing the pileus diy, are placed in this group 

 because of their affinities and their agreement with it in other 

 respects. 



Lamellcie reticulately connected patuluni. 



Lamellne distinct 1 



1. Pileus whoUy white or white tinged with yellow rust color ... 2 

 1. Pileus some other color G 



2. Stem hollow leucocephalum. 



2. Stem solid 3 



3. Margin of the pileus with subdistant short radiating 



ridges laterarium. 



3. Margin of the pileus even 4 



4. Lamellae changing color with age grave. 



4. Lamellae not changing color 5 



5. Pileus glabrous album. 



5. PUeus minutely squamulose nobile. 



6. Lamellae at fii-st violaceous personatum. 



6. Lamellae at first white or whitish 7 



7. Lamellae becoming tawny or subochraceous grave. 



7. Lamellae not assuming this color 8 



8. Pileus greenish virescens. 



8. PUeus smoky-yellow fumosiluteum. 



8. Pileus whitish tinged with brown funiidellum. 



Tricholoma patulum Fr. 



Wide Teicholoma 



(Hym. Europ. p. 69. Syl. Fung., Vol. v, p. 125. CUtoeyhe pat^ikiides. N. Y. State Mus. 

 Rep., 32, p. 25.) 



Pileus fleshy, fii-m, convex or plane, obtuse, often repand, even, 

 glabrous, pale cinereous inclining to yellowish, flesh white ; lamellae 

 emarginate, crowded, reticulately connected, white ; stem thick, solid, 

 fii'm, equal, elastic, glabrous, white or whitish ; spores subglobose 

 or broadly elliptical, .00025 to .0003 in. long. 



Pileus 1 to 4 in. broad; stem 2 to 3 in. long, 4 to 10 lines thick. 



Thin woods and groves. Onondaga county. September. 



