SUBSECTIOX HYGROPHORUS 301 



182 



Hygrophorus fuligineus Frost apud Pk. 



N. Y. State Mus. Ann. Rept. 35: 134. 1884 



Illustrations: 



Fig. 92; also 3, 9a. 



Farlow, Icones Farlowianae, pi. 29. 



Pileus 4-12 cm broad, convex, then obtuse or plane, with a layer of 

 hyaline gluten beneath which the surface is at first blackish or "clove 

 brown" to "brownish olive," slightly paler toward the margin, becoming 

 grayish brown or olive-gray and subvirgate after the gluten dries, 

 glabrous, margin at first involute, even. Context thick, white, slightly 

 tinted under the separable colored cuticle; odor and taste not distinc- 

 tive. 



Lamellae adnate or subdecurrent, whitish to creamy white ( "ivory 

 yellow"), attenuated at either end, narrow to moderately broad, close 

 to subdistant, rather thin, rarely forked. 



Stipe 4-10 ( 12) cm long, 10-25 mm thick, equal or tapering below, 

 sometimes incrassate at the base, covered by the hyaline glutinous veil, 

 annulus obsolete, whitish, sometimes fuscous dotted after drying, 

 slightly silkv or naked above, but at times scabrous, white, solid and 

 white within. 



Spores 7-9 X 4.5-5.5 fx, ellipsoid, smooth, pale yellow in Melzer's 

 reagent, white in mass. Basidia 38-58 X 5-9 fx, 4-spored. Pleurocystidia 

 and cheilocystidia none. Gill trama of divergent hyphae, 6-14 /x broad. 

 Cuticle an ixotrichodermium, the zone 350-500 /x thick, the erect 

 hyphae narrow (2-5 /x), scarcely a palisade. Hypodermium well- 

 defined, of brownish, interwoven hyphae. Pileus trama interwoven. 

 Clamp connections present. 



Habit, Habitat, and Distribution — On soil, in conifer and mixed 

 woods, Maine, Rhode Island, New York, Maryland, Tennessee, Florida, 

 Michigan, Idaho, and Canada, August-January. 



Material Studied — Florida: Hesler 20275, 21061. idaho: Smith 

 46602. maine: Parlin 15338, 15418. Maryland: Shear 1403. Michigan: 

 Smith 33952, 43728, 43935, 50780, 62125. new york: Peck (type, from 

 West Albany, November), rhode island: Farlin, East Providence, 

 Oct. 1902. Tennessee: Hesler 4446, 4447, 8454, 12952, 18326, 21565, 

 22929. Canada: Groves et al F8192. 



Observations — Bresadola (1928) considered H. fuligineus to be 

 synonymous with H. limacinus, but his illustration of the latter certainly 

 does not represent the American species. His description, however, 



