176 Cincinnnti Society of Xatin'al History. 



finely and obscurely rimose-sLriate, pale grayish brown. Stipe elon- 

 gated, fragile, hollow, slightly tapering upward, wiiito, the lower liaH" 

 clothed with loose cottony flocci which rub off easily, the upper half 

 smooth or slightly farinaceous. LaraellsE narro w, close, free. Spores 

 oval or somewhat oblique, apiculate, .012 X. 010 mm. 



On rich ground and manure. Pileus f 1 in. in diameter, expanding 

 t^ 1^-1 f in.; stipe 3 5 in. long, and less than \ of an inch thick. 

 Gregarious and caespitose, \Q\-y fragile. 



10. C. PULCHRiFOLiDS, Pcck. — Pilciis membranaceous, conical or 

 campanulate, striate to the small even yellowish disk, cinereous, 

 strewn with minute whitish scales or granules. Stipe slender, fragile, 

 hollow, white. Lamcllaj narrow, crowded, free, white then cinnamon- 

 brown. Spores elliptic, brovvn witli a slight ros}' tinge, .0070X 

 .0056. mm. 



On the ground among the old leaves in woods. Solitary; pileus f-1 

 in. in diameter, and | 1 in. in height; stipe 2-3 in. high, and \ of an 

 inch or less in thickness at the base. This is a very singular and 

 beautiful little plant growing solitar}- in the woods. According to 

 Prof Peck it is scarcely a Coprinus, because the lamellae are not 

 deliquescent, but it has no place among either the black or brown- 

 Kjiored Agarics, and therefore f m" the present is placed in the genus 

 Coprinus. 



Triijk II. — Veliformes. — Pileus extremely thin, at length splitting 

 along the back of the lamellic, plicate-sulcate. Stipe slender, hollow. 

 Latnelhe dissolving into fine lines. 



(I. Liiniellm Jree from the stipe. 



lie. NYCTHEMKRUS, Fr. — Pilcus very tender, at first conic-cylin- 

 •Iric, furfuraceous-floccose, soon splitting, e.K[)lanate, radiate-plicate, 

 nakcil, forked striate, gray, the disk brown. Stipe flaccid, glabrous. 

 Lamcllie frco, narrow, at length remote. 



Upon m.'iniiri'd land. Pil«'us, at first i^ of an inch in height; after- 

 ward expanding t() J an incii or more in diameter. Stipe becoming 

 pah-. 



12. C RAOiATUs, Bolt. — Very small. Pileus very tender, clavate 

 then campanulate, cinereous -tomentose, soon splitting, radiate-plicate, 

 yellowish, the disk reddish. Stipf riliforMi, iivaline, becomin": irlabroiis. 

 Lamelhe free, few, pallid blackish. Spores .OOTCt .0050 inm. 



On manure, very common in green houses, in the pots among the 



