6o NEW YORK STATE MUSEUM 



yellow ; spores elliptic, .0003-.0004 of an inch long, .0002-.00024 

 broad. 



Pileus 6-12 lines broad; stem 1-3 inches long, 1-2 lines thick. 



Gregarious. Damp soil in woods or open places. Common. June 

 to August. Edible. 



Var. r o s e u s Pk. Margin of the pileus wavy or lobed, the 

 lobes often crowded or overlapping. 



Var. f 1 a V i p e s Pk. Pileus red or orange, stem yellow. 



Var. flaviceps Pk. Pileus yellow, stem red or reddish. 



Var. f 1 a V a Pk. Pileus and stem pale yellow. 



Hygrophorus immutabilis Pk. 



UNCHANGEABLE HYGROPHORUS 

 State Mus. Rep't 51. 1898. p. 292. 



Pileus thin, conic or convex, umbonate, often striate when dry, 

 greenish brown or yellowish brown, not changing color in drying; 

 lamellae subdistant, whitish or yellowish; stem slender, glabrous, 

 hollow, yellow ; spores elliptic, .0004-.0005 of an inch long, .00024- 

 .00028 broad. 



Pileus 8-12 lines broad; stem 1-2 inches long, 1.5-2 lines thick. 



Dry sandy soil in bushy places. Essex county. August. Rare. 

 Found but once. 



Hygrophorus marginatus Pk. 



MARGINED HYGROPHORUS 

 State Mus. Rep't 28. 1876. Bot. ed. p. 50. 



Pileus thin, fragile, convex, subcampanulate or nearly plane, 

 often irregular, sometimes broadly umbonate, glabrous, shining, 

 striatulate on the margin, bright golden yellow; lamellae rather 

 broad, subdistant, ventricose, emarginate, adnexed, yellow, some- 

 times becoming orange or vermilion on the edge, interspaces venose ; 

 stem fragile, glabrous, often flexuous, compressed or irregular, hol- 

 low, pale yellow ; spores broadly elliptic, .00024-.0003 of an inch 

 long, .0002-.00024 broad. 



Pileus 10-18 lines broad; stem 1-2 inches long, 1-2 lines thick. 



Woods. Essex, Fulton and Rensselaer counties. August. 



This beautifully colored hygrophorus resembles the European 

 H. obrusseus Fr. in color, but it differs in its smaller size, 

 more subglobose spores and the red color often assumed by the edge 

 of the lamellae. This last character is suggestive of the specific 

 name. It is so fragile that care is necessary to avoid breaking the 



