26 NEW YORK STATE MUSEUM 



Pileus 3-5 lines broad ; stem 1-1.5 inches long, about .5 of a 



line thick. Fallen leaves. Botanical garden, Bronx park. 



August. 



Marasmius insititius Fr. 



Fallen oak leaves. Port Jelferson. August. 



Marasmius thujinus n. sp. 



Pileus membranaceous, hemispheric or convex, often slightly 

 umbilicate, subglabrous, distantly striate on the margin, cinere- 

 ous tinged with lilac; lamellae few, distant, adnate, white; stem 

 capillary, hollow, inserted, glabrous or with a few minute, scat- 

 tered flocci toward the base, pallid, sometimes slightly brownish 

 toward the base. 



Pileus 1—1.5 lines broad ; stem 6-12 lines long, scarcely thicker 

 than a hair. Fallen leaves of arbor vitae, Thuja occident- 

 al i s . North Elba. September. 



Under a strong lens the pileus is seen to be minutely pulveru- 

 lent tomentose, and the stem adorned with a few minute, scat- 

 tered flocci. 



Leptonia hortensis n. sp. 



Pileus thin, convex, umbilicate, hygrophanous, reddish brown 

 and striatulate when moist, paler and silky when dry; lamellae 

 thin, close, adnexed, whitish when young, pinkish when mature ; 

 stem short, thin, glabrous, hollow^, colored like the pileus; spores 

 angular, uninucleate, .0003-.0004 of an inch long, .0003 broad. 



Pileus 5—10 lines broad ; stem 8-12 lines long, about 1 line thick. 

 Naked ground in gardens. Menands, Albany co. July. 



Flammula piisilla n. sp. 



PLATE M, FIG. 35-41 



Pileus thin, convex becoming nearly plane, glabrous, viscid, 

 pale buff or yellow ferruginous; lamellae narrow, close, adnate. 

 whitish when young, brownish ferruginous when mature; stem 

 short, equal, solid or stuffed, floccose fibrillose, whitish becom- 

 ing ferruginous toward the base, which is slightly villose 

 strigose, flocculent pulverulent at the top; spores elliptic, .0003 

 of an inch long, .00016 broad. 



