Part 3, 1917] AGARICACEAE 217 
2. Hebeloma fuscodiscum (Peck) Sacc. Syll. Fung. 5: 796. 1887. 
Agaricus fuscodiscus Peck, Ann, Rep, N. V. State Mus. 27:95. 1875 
Inocybe fuscodisca Massee, Ann. Bot. 18: 487. 1904 : 
Pileus conic to campanulate or expanded, umbonate, 1—2.5 cm. broad; surface subviscid, 
whitish, blackish-brown on the disk, with blackish-brown fibrils; context having the odor of 
chestnut flowers; lamellae crowded, white to brown, roughened on the edges; spores pip- 
shaped, smooth, 8-10 X 5-5.5 4; cystidia ventricose, fairly numerous, 45-55 X 12-16 wy 
stipe equal, solid, white and pruinose at the apex, brown and fibrillose below, 2.5-8 cm. long, 
2-4 mm. thick. 
TYPE LOCALITY: Forestburgh, New York. . 
HaniraT: In pastures under trees. 
DISTRIBUTION: Known only from the type locality. 
ILLusrrations: Ann. Rep. N. Y. State Mus. 27: pl. 1, f. 3-6. 
3. Hebeloma fragilius (Peck) Sacc. Syil. Fung. 5: 798. 1887. 
Agaricus fragilior Peck, Ann. Rep. N. Y. State Mus. 27: 95. 1875. 
Pileus thin, fragile, convex, becoming plane or centrally depressed, about 1 cm. broad ; 
surface minutely squamulose when young, soon glabrous, pale-grayish-ochraceous, margin 
sometimes irregular or wavy; lamellae subdistant, ventricose, adnexed, whitish and crenulate 
on the edges, subochraceous; spores ellipsoid, 6 X 4 u; stipe slender, equal, hollow, minutely 
furfuraceous, becoming glabrous, concolorous, about 2.5 cm. long, 1-2 mm. thick. 
Tyre Locairy: Indian Lake, New York. 
Haxnirat: On damp, decaying leaves in water holes in swamps. 
DisTRIBUTION: Known only from the type locality. 
4. Hebeloma excedens (Peck) Sacc. Syll. Fung. 5: 806. 1887. 
Agaricus excedens Peck, Ann. Rep. N. Y. State Mus. 24: 68. 1872. 
Pileus thin, convex, obtuse or broadly umbonate, 1-2.5 cm. broad; surface glabrous, 
pale-alutaceous, margin projecting; context having the odor and taste of radishes; lamellae 
crowded, deeply sinuate, adnexed, moderately broad, minutely eroded on the edges, pallid, 
becoming brownish-ferruginous; spores subellipsoid, 10-12 X 6—7 yw; stipe equal, solid, silky- 
fibrillose, concolorous, 3-5 cm. long, 2-4 mm. thick. 
TYPE LOCALITY: Saratoga, New York. | 
Hasirat: On sandy soil under or near pine trees. 
DISTRIBUTION: Known only from the type locality. 
5. Hebeloma gregariiforme Murrill, sp. nov. 
Pileus convex to expanded, rather thin, gregarious, 2-2.5 cm. broad; surface smooth, 
glabrous, viscid, pale-yellowish-brown, sometimes slightly darker on the disk, margin entire, 
concolorous; lamellae adnate or slightly sinuate, subcrowded, many times inserted, rather 
narrow, creamy-white, becoming pale-dingy-yellowish-brown; spores ovoid, smooth, melleous 
under the microscope, 8-9 X 5-6 w; stipe slender, concolorous, smooth, glabrous, about 5 cm. 
long and 3 mm. thick; veil slight, arachnoid, evanescent. 
Type collected on the ground in pine woods at Auburn, Alabama, December 26, 1899, F. S. 
Earle (herb. N. Y. Bot. Gard.). . 
DISTRIBUTION: Known only from the type locality. 
6. Hebeloma Sterlingii (Peck) Murrill. 
Inocybe Sterlingii Peck, Bull. Torrey Club 33: 217. 1906. 
Pileus fleshy, convex to nearly plane, solitary or gregarious, 1.5-2.5 cm. broad; surface 
glabrous, slightly viscid at the center when moist, gray or clay-colored, the center brownish, 
margin obscurely fibrillose, incurved, subappendiculate; context having a farinaceous taste, 
edible; lamellae adnexed, crowded, thin, pallid, becoming cinnamon; spores ellipsoid, smooth, 
usually uniguttulate, 10-12 X 6-8 u; stipe equal or slightly thickened at the base, floccose- 
fibrillose, white, bay-red within, solid, 2.5-3.5 cm. long, 2-4 mm. thick; veil fibrillose or webby, 
forming an evanescent annulus. 
Type Locality: Trenton, New Jersey. 
Haprrat: Under spruce trees. . 
DISTRIBUTION: Known only from the type locality. 
