224 NORTH AMERICAN FLORA [VoLumE 10 
an unpleasant taste and the odor of radishes; lamellae crowded, aduexed, narrow, thin, whitish, 
becoming clay-colored or brownish-ferruginous; spores ellipsoid, unequal, 10-12 X 5-7 »; 
cystidia 24-30 X 6p; stipe equal, stuffed or hollow, subbulbous, whitish, whitish-squamulose 
above, 5-10 cm. long, 6-10 mm. thick. 
TYPE LocaLity: France. 
Hasitat: On the ground in woods or open places. 
Distripution: Greenland to North Carolina and west to Wisconsin; also in Europe. : 
ILLusTRATIONS: Bull. Herb. Fr. pl. 308, 546; Cooke, Brit. Fungi 1. 507 (456), 414 (457); Fries, 
Ic. Hymen. pl. 111, f. 2; Sv, Aetl. Svamp. #1. 64; Gill. Champ. Fr. pl. 355 (306), 357 (307); Lucand, 
Champ. Fr. 1. 17; Pat. Tab. Fung. 1: f. 342; Ricken, Blatterp. Deutschl. #1. 32, f. 1, 2. 
Exsiccati: Desmaz. Pl. Crypt. 2151; Herpell, Prap. Hutpilze 25; Sydow, Myc. Mar. 2716, 
3324. 
36. Hebeloma sinapizans (Fries) Gill. Champ. Fr. 527. 1876. 
Agaricus sinapizans Fries, Epicr. Myc. 180. 1838. 
Pileus compact, convex to plane, subrepand, solitary, 7-13 em. broad; surface glabrous, 
viscid, pallescent, the disk isabelline; lamellae deeply emarginate, nearly free, crowded, broad, 
dry, entire, argillaceous-cinnamon; spores ovoid, punctate, somewhat irregular, 12-14 XK 7-8 u; 
stipe stout, equal, fibrillose, striate, white, the apex white-squamose, 5-15 cm. long, 2.5 cm. 
thick. 
TYPE LocaLrty: Europe. 
Hasrratr: On the ground in moist coniferous woods. 
DIsTRIBUTION: New York; Pacific coast; also in Europe. 
ILLUSTRATION: Cooke, Brit. Fungi pl. 413 (455). 
37. Hebeloma aeruginosum Murrill, sp. nov. 
Pileus convex, not fully expanding, not umbonate, solitary, 3 cm. broad; surface smooth, 
glabrous, extremely viscid, aeruginous, margin involute, broadly overhanging, concolorous; 
lamellae adnate, with decurrent tooth, very broad, subtriangular, not crowded, white to pale- 
yellowish, entire and concolorous on the edges; spores ovoid, smooth, pale-yellow under the 
microscope, 8-9 X 6 yw; stipe equal, solid, fleshy, dry, glabrous at the apex, coarsely squamose 
below, caesious-caeruleous, 4 cm. long, 7 mm. thick. 
Type collected among humus in a fir forest at Glen Brook, Oregon, November 7, 1911, W. A. 
Murrill 772 (herb. N. Y. Bot. Gard.). 
DIstTRIBUTION: Known only from the type locality. 
38. Hebeloma sericipes Earle, Bull. N. Y. Bot. Gard. 2: 342. 
1902. 
Pileus broadly convex to plane or subdepressed, obtuse, solitary, 4-6 cm. broad; surface 
glabrous on the disk, pale-olive-brown, dry, margin silky-fibrillose, entire; context white, 
unchanging, the taste mild, pleasant, the odor like chestnut flowers; lamellae sinuate, 
crowded, subnarrow, nearly plane, white to ochraceous-brown, the edges white, erose; spores 
ellipsoid or subovoid, varying in size, smooth, often with a large central vacuole, 7-10 & 4-7 yu; 
stipe equal, subglabrate at the base, the upper half conspicuously silky-fibrillose, white, solid, 
crisp, 4-6 cm. long, 7-9 mm. thick; veil universal, white, arachnoid. 
Type Locality: Stanford University, California. 
Hasrrat: Among oak leaves. 
DISTRIBUTION: Known only from the type locality. 
39. Hebeloma lateritium Murrill, sp. nov. 
fi 
Pileus convex, becoming nearly plane with age, umbonate, gregarious, 5 cm. broad; 
surface distinctly viscid, smooth, glabrous, latericious, margin entire, not striate, avellaneous 
to cream-colored as the moisture escapes; lamellae sinuate, rather crowded, ventricose, pallid 
to clay-colored, conspicuously whitish-pubescent on the edges; spores ellipsoid, smooth, pale- 
yellowish under the microscope, 7-8 X 5 y; stipe enlarged below, white, conspicuously fibrillose, 
fleshy, 6 cm. long, 7-10 mm. thick. 
Type collected in sandy soil at the edge of a virgin forest at Seattle, Washington, October 20- 
November 1, 1911, W. A. Murrill 295 (herb. N. Y. Bot. Gard.). 
DISTRIBUTION: Vicinity of Seattle, Washington. 
