368 



THE AGARICACEAE OF MICHIGAN 



ther study. The spores are given too large in the original descrip- 

 tion. The measurements given above were made from the type 

 specimens. 



****Gills at first white or pallid. 



360. Cortinarius coloratus Pk. 



N. Y. State Cab. Rep. 23, 1872. 



Illustration: Plate LXXIV of this Report. 



PILEUS 5-10 cm. broad, convex then broadly campanulate and 

 iliscoid, bright reddish-yellow to tawny -orange and shining, becom- 

 ing dull testaceous, glabrous, even, sometimes radially cracked on 

 i hying, with a viscid pellicle, margin at first incurved. FLESH 

 whitish, thick except margin, firm, compact. GILLS adnate at 

 first, becoming emarginate, rather broad, close, rigid becoming 

 crisped on drying, thin, whitish or pallid at first, then pale clay- 

 color to cinnamon-brown, no t reaching the margin of the pileus, edge 

 paler. STEM 5-12 cm. long, clavate-bitlbous, 8-12 mm. thick above, 

 20-30 mm. thick at bulb, solid, firm, at first white and silky-fibrillose 

 from the cortina, white within, slightly lutescent, marked at times 

 by the thin remains of an evanescent, yellowish-tawny universal veil, 

 ;iit ached at base to delicate white mycelioid strands. CORTINA 

 white, cobwebby, not very copious. SPORES almond-shaped, ellip- 

 tical, distinctly rough, 9-11 x G-7 micr. BASIDIA 35-40 x 8-9 micr., 

 4-spored. ODOR and TASTE slight. 



Gregarious. On the ground among fallen leaves in frondose 

 Moods of oak, maple, etc. Ann Arbor. September-October. In- 

 frequent. 



This is a noble species, well-marked and brightly colored when 

 1'i-csh. It seems closely related to G. saginus Fr. and may be the 

 American form of that species. See figures of C. saginus (Cooke, 

 111., PI. 703, and Quelet, in Grevillea, PI. 92), which show a much 

 stockier plant without the reddish color which pervades the pileus 

 of our species. The universal veil is almost obsolete and leaves 

 only one or a few very narrow yellow-tawny marks across the stem. 

 The bulb varies from heavy clavate to rounded-oval, depending on 

 the amount of elongation of the stem. When crushed the flesh 

 sometimes gives forth a slight aromatic-radishy odor. It has been 

 collected in several states. 



