Repori of the Botanist. 59 



Agaricus (Galera) CALLISTU8 Peck. 



Pileus thin, expanded, subumbonate, smooth, viscid, striatulate 

 on the margin, olivaceous or ochraceoiis, the umbo bright chestnut 

 color ; lamellae thin, close, ventricose, attached to but easily sepa- 

 rating from the stem, yellowish, becoming bright ferruginous; 

 stem equal, hollow, pruinose, yellow ; spores .00035 x .0002 in. 

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



Exsiccated water holes in swampy woods. Croghan. Sep- 

 tember. 



This is one of the prettiest Agarics known to me. In the dried 

 specimens the lamellae are white on the edge and the pileus has 

 assumed a dull metallic green color. 



Agaricus (Galera) coprinoides Peck. 



Pileus membranaceous, soon expanded, often split on the mar- 

 gin, plicate-sulcate to the small even disk, yellowish, inclining to 

 ochre; lamellae close, slightly rounded behind, concolorous ; stem 

 equal, hollow, minutely hairy-pruinose, white ; spores .00028 x 

 .0002 in. 



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



Grassy ground. Sterling. August. 



The structure of the pileus is like that of some of the smaller 

 Coprini. 



Agaricus silvaticus Schceff. 



Buffalo. Clinton, I have seen dried specimens only, but they 

 appear to belong to this species. 



Agaricus (Psalliota) 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, brown- 

 ish-pink, becoming black ; stem equal or slightly tapering upward, 

 stuffed with a whitish pith or hollpw, smooth, pallid; annulus thin, 

 persistent, white; spores .0002 x .00015 in. 



Plant 1.5'-2' high, pileus 1-1.5' broad, stem V-'^" thick. 



Ground in woods. Croghan. September. 



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

 is quite brittle. 



Agaricus (Stropharia) Howeanus Peck. 



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

 yellowish ; lamellae close, thin, rounded behind, eroded on the 



