54 ' NEW YORK STATE MUSEUM 



thin with a slight yellow tinge; lamellae distant, decurrent, yellow, 

 or whitish becoming yellowish ; stem equal, stuffed or hollow, viscid, 

 paler than the pileus, the partial floccose veil imperfectly annular, 

 soon disappearing; spores .0003-.0004 of an inch long, .00016-.0002 

 broad. 



Pileus 1-2 inches broad ; stem 2-3 inches long, 3-5 lines thick. 



Woods. Essex county. September. Rare. This species may 

 be distmguished from its nearest relatives by its yellowish lamellae. 

 It is more common southward where it occurs late in the season, 

 growing specially in pine woods. 



Hygrophorus lividoalbus Fr. 



LIVID WHITE HYGROPHORUS 



Pileus thin, convex or nearly plane, often irregular or wavy, even, 

 glabrous, viscid, pallid or livid, naked on the margin ; lamellae dis- 

 tant, adnate or slightly decurrent, white ; stem slender, nearly equal, 

 glabrous, stuffed, more or less flexuous, whitish; spores subglobose, 

 .00024-.0003 of an inch long, .0002-.00024 broad. 



Pileus 1-2 inches broad; stem 1.5-2.5 inches long, 2-3 lines thick. 



Woods. Onondaga and Ulster counties. September. Rare. 

 Our specimens do not fully agree with the description of the species 

 in respect to the spore character which is given above, the European 

 plant having larger and more elliptic spores. Further observation 

 may show them to be closely related but distinct species. 



Camarophyllus Fr. 



Veil none ; pileus firm, opaque, moist in rainy weather, not vis- 

 cose ; lamellae distant, arcuate ; stem even, glabrous or fibrillose, not 

 punctate scabrous. 



The absence of a viscid pileus and of a hollow stem are decisive 

 characters of the subgenus. In wet weather the pileus is 

 only moist, not viscid. The stem is usually solid or stuffed. In a 

 single species, Hygrophorus peckianus Howe, it some- 

 times becomes hollow. 



KEY TO THE SPECIES 



Pileus white or whitish I 



Pileus brown, grayish brown or blackish brown 3 



Pileus neither white nor brown 6 



I Pileus more than i inch broad virgineus 



T Pileus usually less than i inch broad 2 



2 Stem i~2 lines thick borealis 



