410 THE AGARICACEAE OF MICHIGAN 



7-9.5 x G-7 micr., subsphoeroid to broadly elliptical, rough. ODOR 



mild. 



Gregarious. Ou moist humus or debris iu hemlock or mixed 

 woods. Ann Arbor, Marquette, Bay View, etc. August-October. 



Frequent. 



This species is close to G. anomalus Ft., indeed it may be consid- 

 ered as a kygropkanous form of tkat species. Tke group to wkich 

 it belongs is composed of a number of closely related species, un- 

 less one considers the fluctuating variation of the one species as 

 quite extensive. The colors of this species are much deeper violet 

 or lavender at first than in the typical G. anomalus and the flesh 

 is distinctly hygrophanous. Nearly all these related plants (see 

 G. anomalus) have a punctate pileus. 



417. Cortinarius adustus Pk. 

 N. Y. State Mus. Rep. 42, 1889. 



"PILEUS 2-3.5 cm. broad, broadly campanulate or convex, ob- 

 tuse, hygrophanous, bay-brown when moist sometimes canescent on 

 the margin, paler when dry, smoky-brown with age and generally 

 rimose-scaly. FLESH yellowish-gray. GILLS subfree, rather 

 thick, distant, purplish-brown. STEM 2-8 cm. long, 6-10 mm. thick, 

 equal, stuffed or hollow, fibrillose, brownish with a white inycelioid 

 coating at the base, colored within like the flesh of the pileus.' r 

 SPOEES broadly elliptical, 8-10 x 5.5-0.5 micr. 

 "Subcaespitose. In balsam groves. New York. September." 

 The dried type-specimens are blackish-brown, showing a rather 

 stout stem and small pileus. It seems closely related to the next. 



418. Cortinarius griseus Pk. 



* 



N. Y. State Mus. Rep. 41, 1888. 



"PILEUS 2-7.5 cm. broad, convex, obtuse or gibbous, fibrillose- 

 scaly with grayish hairs or fibrils, pale gray when moist. GILLS ad- 

 nexed, subdistant, at first pallid then brownish-ochraceous. STEM 

 5-7 cm. long, 0-12 mm. thick, tapering from a thickened or bulbous 

 base, silky-fibrillose, whitish." SPORES broadly elliptical, obtuse, 

 10-12 x 6-7 micr. 



"Mossy ground under balsam trees. New York. September. 



"The fibrils of the pileus are similar to those of'C paleaceus, but 



