53 



Agjiricns (Crepidotus) Horlmriini) Peck. 



Pileus thin, at first resupinate, with the margin incurved, clothed with white 

 down, at length somewhat retiexed,less downy, the margin spreading ; lamellae 

 narrow, not crowded, diverging from a naked lateral or eccentric point, white, 

 then tawny ; spores slightly curved, .00038' x .00014'. 



Pileua2"-4" broad. 



Dead stems of herbs. North Greenbush. October. 



Ag.iricus (PsalliotJi) diminutivus^ Peck. 



Pileus expanded or centrally depressed, sometimes with a slight umbo, dry, 

 alutaceous, the disk rosy-brown and spotted with small appressed silky scales ; 

 lamellae close, thin, free, ventricose, brownish-pink, becoming black ; stem 

 equal or slightly tapering upward, hollow or stuffed with a whitish pith, 

 smooth, pallid.; annulus thin, persistent, white; spores .0003' x .00015'. 



Plant 1.5'-3' high, pileus l'-1.5' broad, stem l''-2" thick. 



Ground in woods. Croghan. September. 



Sometimes the whole pileus is reddish-brown. The flesh is quite 

 brittle. 



Agaricus (Stropharia) Howeauus, Peck. 



Pileus convex, then expanded, fragile, smooth, subumbonate, yellowish ; 

 lamellae close, thin, rounded behind, eroded on the edge, whitish becoming 

 ferruginous-brown ; stem smooth, hollow, slightly thickened at the base ; 

 annulus thin, fugacious, sometimes adhering to the margin of the pileus ; flesh 

 white ; spores .00033' x .0003'. 



Plant 3 '-4' high, pileus 2'-3' broad, stem 2"-4" thick. 



Center. June. 



The surface of the pileus sometimes cracks into areas. The taste 

 is bitter. The color of the spores is not a decided brown, and the 

 plant might with almost equal propriety be refej-red to the subgenus 

 Pholiota. 



Agaricus (Hyplioloma) hirtosqnamulosns, Peck. 



Pileus hairy-squamulose, hygrophanous, grayish-brown when moist, gray 

 when dry ; lamellae narrow, rounded at the stem, gray, then brown ; stem 

 short, firm, equal, hollow, slightly hairy-squamulose and colored like the 

 pileus ; spores subelliptical, nucleate, .00035' long. 



Plant 1' high, pileus 6"-10" broad, stem .5" thick. 



Prostrate trunks of maple trees in woods. Portville. September. 



