28 - ■ . NEW YORK STATE MUSEUM 



Psathyra vestita n. sp. 



Pileus thin, submembranaceous, ovate, conic or subcampanu- 

 late, obtuse, at first covered with white floccose fibrils, usually with 

 a rufescent tint, soon paler or white and silky fibrillose, sometimes 

 slightly striate on the margin; lamellae thin, narrow, close, adnate, 

 white when young, becoming blackish brown; stem equal, hollow, 

 flexuous, floccose fibrillose, becoming silky fibrillose, mealy and 

 often striate at the top, white; spores purplish brown, elliptic, 

 .0003-. 0004 of an inch long, .0002-. 00024 broad. 



Pileus 4-8 lines broad; stem 1-1.5 inches long, 1-1.5 lines thick. 

 Fallen leaves and grass. North Elba. September. 



This species differs from P. s e m i v e s t i t a in its color and 

 in being wholly clothed when young with white floccose fibrils. 



Russula subsordida Pk. 



Horicon. July. Edible. A description of this species may be 

 found in the chapter on edible fungi. 



Russula viridella Pk. 



Under hemlock trees in woods. Horicon. July. Edible. 

 A description of the species may be found in the chapter on 

 edible fungi. 



Sparganium fluctuans (Morong) Robins. 

 Deep water of lakes and ponds. Sand lake, Rensselaer co. and 

 Big Moose lake, Herkimer co. July and August. This was for- 

 merly considered a variety of S. androcladum but it has 

 now been raised to specific rank. 



Sporotrichum anthophilum n. sp. 



Hyphae creeping, interwoven, branched, continuous or sparingly 

 septate, variable in thickness, .00008-. 0002 4 of an inch in diam- 

 eter, hyaline, forming a loose cottony stratum; spores globose or 

 broadly ovate, .00016-.0003 of an inch long, borne on the tips of 

 short branchlets which are usually narrowed toward the apex and 

 pointed. 



Parasitic on the filaments and petals of carnation pinks, dis- 

 coloring them, destroying their vitality and spoiling the flowers. 

 Bayside, Queens co. Collected by William Bell; contributed by 

 F, C. Stewart. 



Stropharia melasperma (Bull.) Fr. 



Grassy ground. Observatory grounds. Albany. July. W. 

 B. Varnum and S. H. Burnham. 



