CLASSIFICATION OF AGARICS 



354. Cortinarius decoloratus IV. 



Syst. Myc, L821. 



Illustrations: Cooke, 111.. PL TL'!>. 



Quelet, in Grevillea, Vol. 7. PI. L07, Fig. I. 



I'l LEI FS :'. 7 cm. broad, convex then expanded, buff or pallid clay- 

 color, regular, viscid, slightly corrugate when dry. FLESB thin, 



watery, soft, white. (JILLS adnate, sometimes BUbdeCUITent, sin- 

 uate, close, moderately broad, anxious or pallid-gray ill first then 



pale cinnamon. STEM 5-7 cm. Long, 3-8 nun. thick-, equal or taper- 

 ing upward, stuffed then hollow, whitish, sometimes striate above, 

 obscurely spotted with ochraceous shreds of the veil. SL'OKKS sub- 

 globose to oval, almost smooth. 8-9x6-7.5 micr. 



Gregarious or scattered. In moist places in frondose \\ Is. 



Ann Arbor. September. Infrequent. 



A closely related form has a bitter taste according to some 

 authors. The caesious color of the gills is soon obscure or lacking. 

 It has not been found in quantity and the spores of our plants are 

 slightly too large. 



**(HIIs at first olivaceous or sooty-olivaceous. 



355. Cortinarius infractus Biv<. <\. lVrs.) 



Fung. Trid., Vol. 2, L892. 



Illustrations: Ibid. PI. L63. 



Cooke, ML. PI. 7oi (PI. 705 as C. anfractus Ft.). 



Quelet, in Grevillea, Vol. 6, PI. 104, Fig. 3 (as C. anfractus). 



Ricken, Die Blatterpilze, Plate L3, Pig. 2, et. al. 



Plate LXXII1 of this Report. 



PILEUS 5-10 cm. broad, convex then expanded, viscid, glabrous, 

 even, dark olive or sooty-olive then tinged fulvous, margin broadly 

 in<iirn<l, then spreading and often with a broad /.one. FLESB 

 whitish or slightly violaceous-tinged, firm, thick excepl on margin. 



GILLS narrowed adnate. sometimes emarginal ■ spuriously snl> 



decurrent, crowded t<> almosl subdistant, rather narrow, sometimes 

 broader, dark olivi or sooty-olive, a1 Length umber, edge crenulate- 

 eroded. STEM 5-9 cm. long, 8-15 mm. thick, solid, clavate or with 

 oval bulb, lihrillose. dull violaceous above, dingy whitish to olivace 



