108 Cincinnati Society oj Natural History. 



On rotten trunks of trees, sticks, etc. Solitar}' or cjBspitose; pileus 

 2 3 in. in diameter, stipe l-\\ in. high; the veil fugitive consisting of 

 purple and yellow flocci. The pileus when young is purple, it then 

 changes to bulT or light yellow on the margin, with the umbo purple or 

 brownish yellow. This ver}' beautiful Agaric was first found b}' Mr. 

 Lea, and named by his friend and correspondent, Rev. M. J. Berkeley, 

 of KnjrhiiKl- 



t- 



SuBGENUs XX. — Pluteolus, Fr. 



Pileus conic or campanulate, then expanded ; the margin at first 

 straight and appressed to the stipe. Stipe somewhat cartilaginous. 

 Lamellic rotun date- free. 



114. A. MUCiDOLENS. licrk. — Scented. Pileus a little fleshy, lobed, 

 glabrous, viscid, shining, sooty. Stipe fibrillose. Lamellae free. Spores 

 dull-ferruginous, somewhat cymbiform. 



" On a rotten trunk. Cincinnati, April 21, 1842."— iea. Pileus 2 3 

 in. broad, of a dull smoky brown ; stipe 2 in. or more in height, 

 clothed witii l)rownish lihres. Smell like that of decayed cheese. This 

 l)lant is one of Mr. Lea's new species. It is very interesting as being 

 the only representative thus far known of this subgenus in North 

 America. 



Subgenus XXI. — Nauooria, Fr. 



Pileus more or less fleshy, convexo-planc; the margin at first in- 

 flexed. Stipe cartilaginous. Lamellae free or attached, but not de- 

 current. 



II"". A. viciiVAcn, Fr. — Pileus fleshy, convexoplane or umbonate, 

 even, glabrous, viscid, sliining when dry. Stii)e stuflJ'ed tiien hollow, 

 tapering upward, glabrous, rigid, whitish. Lamellae adnate with a 

 decurrenl lonth, clusc, .afterward vcntricose, pallid then ferruginous- 

 brf>wn. SporcH brown-fcrriiginoiis. 



In meadows, pastures, etc. I'ilcus luteous, obtuse; stii)c short, 

 about 1 in. long, rather thick, tai)ering sometimes upward and some- 

 times dctwnn.ird. Flesh white. 



lie. A. bKMioKBicui.AKis, Fr. — Pilcus a little lleshy, hemispheric, 

 expanded, «'ven, glabrous, somewhat viscid, :it Icnglh ri\iiiose. Stipe 

 slender, tough, almost straight, pale ferruginous, sliining, with a free 

 tubular pith. Lnmeihe adnate, very broad, close, pallid then ferruo-in- 

 ouH. Spores brown-ferruginous, ellijitic, very large, .013X.008 mm. 



