Sl/BSECTCOA PS/1 / U /\/ 22/ 



Illustrations: 

 Fig. 64. 

 Coker, Elisha Mitchell Sc i. SOC. four. 45, frontispiece and p. 23. 



Bresadola, Icon. Myc., tab. 352. 



Juillard-IIartmatm, Icon. Champ., pi. 48, fig. 3 (afl //. ini<:ahi\ \.u. 



tuiguiiiosu.s ) . 



Lance, Flora Agar. Dan. 5, pi. L681 (as Hygrocybe). 



Smith and I lesler, Lloxdia 5, pi. loa. 



Wakefield and Dennis, Common British Fungi, pi. 33, fiu;. 2. 



Pileus 2-5 cm broad, hemispheric becoming convex and finally 

 nearlv plane, occasionally obtusely conic, slightly umbonate when 

 expanded, hvgrophanous, blackish to umber or dark grayish brown. 

 near "drab," "pale smoke gray," glabrous, at times minutely rivulose, 

 glutinous to slimy-viscid when moist, shining when dry, becoming 

 smoke gray on the disc and pallid along the margin in age, translucent 

 striate. Context thin, soft, fragile, grayish or white; odor none, taste 

 mild. 



Lamellae adnate to slightly adnexed, at times emarginate, with a 

 decurrent tooth, broad (up to 10 mm), at times subventricose, thick, 

 subdistant, intervenose, white or shaded pale gray, at times "cinere- 

 ous," edges even. 



Stipe 3-9 cm X 2-5 mm, concolorous with or paler than the pileus, 

 equal and flexuous, fragile, glabrous, slimy or viscid when moist, 

 varnished when dry, tubular. 



Spores (6)7-10 X 4-5(6) /x, ellipsoid, smooth, white in mass, yel- 

 lowish in Melzer's reagent. Basidia 36-55 X 5-8 /x, 1-, 2-, and 4-spored. 

 Pleurocystidia and cheilocystidia none. Gill trama subparallel to 

 slightly interwoven, hyphae 7-20 fx broad, yellowish in Melzer's 

 reagent. Lactifers numerous in the pileus and gill trama. Cuticle an 

 ixotrichodermium composed of a zone of repent, brownish hyphae 

 bearing more or less erect and tangled, almost colorless hyphae 2-4 p 

 broad (not a palisade). Hypodermium rather distinct. Pileus trama of 

 radial hyphae. Clamp connections present but rare, of the medallion 

 type. 



Habit, Habitat, and Distribution — Gregarious to scattered on 

 humus and soil, in coniferous and mixed woods, in swamps. Nova 

 Scotia and Ontario in Canada, Maine, Massachusetts, New York, 

 North Carolina, South Carolina, Tennessee, Florida, Michigan, Wash- 

 ington, and California, June-December; also Europe. 



Material Studied — California: Smith 3781, 9376, 9406. FLORIDA: 

 Murrill F17268. maine: Bigelow 3696, 3870, 4306. mass m hi si i is: Big- 

 elow8417, 9117. Michigan: Brooks 1251; Saunders 32547; Smith 4983, 

 6723, 6828, 9619, 18472, 18616, 21859, 25953, 26050, 33590. 37S06. 



