CLASSIFICATION OP AG Utl< 



823. Collybia tuherosa IV 



Syst. Myc, 1821. 



Illustrations: Michael, Fiihrer I. Pilzfreuude, \"ol. II. So v " 

 Gillett, Champignons 'l«- France, No. I6N 

 Cooke, 111.. PI. I 1 1. 



PILEUS small, 5 in nun. broad, convex or nearly plane, obtn»e 

 i)v subumbonate, even, glabrous or nearly so, whitish, tinytd 



reddish or yelloicish. FLESB thin, white. GILLS adnate, thin, 

 close, whitish, edge minutely pubescent. STEM slender, ■_' I nun. 

 Long, I mm. thick, flaccid, hollow, whitish or reddish -tinged, • 

 ered by a thin white cortinoid pulverulence, often aearlj glabrous 

 above, arising from a reddish-brown or blackish, small sclerotium. 

 SCLEROTIUM 2-5 cm. long, L-2 nun. wide, variable in Bhape. 

 SPORES elliptical, t-5.5x2-3 micr., be th, whin-. 



Gregarious or crowded. < >n the remains of decayed Agarics 



or damp humus. Througl i the State. July-September. Fre 



quen i. 



The tuber-bearing Collybia is usually aggregated in numbers 

 on the blackened remains of some mushroom, in which the small, 

 tuber-like sclerotia are imbedded. Occasionally, however, it ap 

 pears to develop on much decayed Leaf-humus on the ground. 

 It resembles G. cirrata in color and size, 



824. Collybia cirrata IV. 



Epicrisis, l^'.ti. 



Illustrations: Cooke, 111.. PI. I L4. 



Gillet, Champignons <lr Prance, No. 150. 



PILEUS 5-12 nun. broad, Boon plane or Blight lj depressed, at 

 length umbilicate, Bometimes papillate, slightly silky, toughish, 

 white or tinged reddish. FLESB thin, white GILLS adi 

 narrow, close, whitish. STEM 2-5 cm. long, filiform, equal, some 

 what hollow, flexuous, pallid, 1 ot?< n d by <i white p%tlveruli na . with 

 :i fibrillose, radicating base. BPORES minute, elliptical, smooth, 

 t 5 \ 2 :: micr. 



Decaying vegetable matter in woods, throughout the - Jul} 



September. I nfrequent. 



This Little Collybia is closely related to C. tub \ ' 



differ with reference to the presence or absent tun. 



