112 Cinci'tinati Society of Natural History. 



at the base, nearly c(jiial above, rather slender and often gracefully 

 curving. The lamcllic are at length almost black, like the dark part of 

 a bean flower. This is one of the elegant new species of Lea's Catalogue. 



b. Annulus small, remote. 



127. A. CAMPKSTRis, Linn. — Pileus fleshy, convexo-plane, floccose 

 silky or scaly. Stipe stuffed, even, white; the annulus in the middle, 

 somewhat lacerate. Lamella? free, approximate, ventricose, somewhat 

 liquescent, fleshy-brown. Spores brown, nearly elliptic, .OOSX-OOG mm. 



In rich soil of old pastures; some years abundant. Pileus commonly 

 2-3 in. broad, stipe 1^-2^ in. long. This ih the '^ Common Mushroom," 

 which from the most ancient times has been highly esteemed for food; 

 out of it numerous cultivated varieties have arisen. It has a faint odor 

 an<l a pleasant taste; the flesh is Ann, thick, white changing more or 

 less to a reddish line when cut or broken. It is the small, round, un- 

 developed plants that are eaten. 



128. A. siLVyVTicL'S, SchiT?ir. — Pileus fleshy, thin, campanulate then 

 expanded, gibbous, librillose and scaly. Stipe hollow, equal, whitish; 

 tlie annulus simple, distant. Lamella} free, close, equally attenuate 

 boili ways, thin, dry, reddish changing to brown. Spores elliptic, 

 .OO04X.604;{ mm. 



In woods. Pileus about 3 in. broad, stipe 3-4 in. long. The pileus 

 is a great deal thinner than in the preceding species, more fragile, 

 darker, it is at fust covered with l)rown scales which at length scale 

 ofl^, leaving at least tlie disk smooth; the margin is often rimosely in- 

 ciHcd. Tile flesh is white changing a little to reddish. 



Subgenus XXVI. — Stropharia, Fr. 

 Stipe annulate. Lainelhc more or less adnate. 



a. Growinff oil wood or on the ground. 



120. A. iBRUGiNosus, Curt. — Pileus flesjjy, convexo-plane, somewhat 

 uniiKMiatc, coveifd with a l>lnish-green seceding slime, expallent. 

 Stipe hollow, equal, viscid, benealli I lie annuluB scaly or fibrillose, 

 tinyod with blue. Lamella' adnate, soft, brown changing to purple. 

 SporcH elliptic, purplish .QOly.Mi^h mm. 



rp(»n the earlli and upon trunks of trees in woods. Pileus 1-4 in. 

 broad, Klipc 2 3 in. high. Gregarious; pileus dull yellow but covered 

 with a bhiish gluten; above tliis, but not always, clothed with white 

 Hcales; stipe with various tints of blue, green or yellow, within mottled 



