Part 3, 1917] AGARICACEAE 221 
21. Hebeloma alabamense Murrill, sp. nov. 
Pileus thin, rather fragile, expanded, solitary, 3 cm. broad; surface subviscid, glabrous, 
bright-yellowish-brown, darker and reddish-brown on the disk, margin thin, not striate, crenu- 
late or wavy; lamellae sinuate-adnate, broad behind, subdistant, thin, ferruginous-cinnamon; 
spores broadly ellipsoid, 7-8 X 5-6 4; stipe cylindric, slightly silky-fibrillose, whitish, hollow, 
fragile, 5—6 cm. long, 4-5 mm. thick, 
Type collected on the ground in rich woods at Aub 1 
Gann v perc ods at Auburn, Alabama, October 12, 1900, F. S. Earle 
DistRrBuTION: Known only from the type locality. 
22. Hebeloma pascuense Peck, Ann. Rep. N. Y. State Mus. 
53: 844. 1900. 
Pileus thin, convex, becoming nearly plane, gregarious or subcespitose, 2.5-5 em. broad; 
surface viscid when moist, obscurely innately fibrillose, brownish-clay-colored, often darker 
or rufescent at the center, margin often whitened by the thin webby veil when young; context 
whitish, the odor similar to that of radishes; lamellae crowded, adnexed, whitish, becoming 
pale-ochraceous; spores subellipsoid, pale-ochraceous, uninucleate, 10 X 6 4; stipe firm, equal, 
solid, fibrillose, slightly mealy at the apex, whitish or pallid, 2.5-5 cm. long, 4-6 mm. thick. 
TYPE LOCALITY: Warrensburg, New York. 
Hasirat: In stony pastures. 
DISTRIBUTION: Known only from the type locality. 
ILLUSTRATIONS: Ann. Rep. N. Y. State Mus. 53: pl. C, f. 21-27. 
23. Hebeloma exiguifolium Murrill, sp. nov. 
Pileus convex to expanded or slightly depressed, broadly umbonate, gregarious to sub- 
cespitose, 3-5 cm. broad; surface smooth, glabrous, viscid, isabelline to fulvous, usually darker 
on the,umbo, margin entire, pallid; context thick at the center, very thin at the margin, white, 
the taste becoming somewhat bitterish; lamellae sinuate, crowded, extremely narrow, isabelline 
to fulvous, whitish-pruinose on the edges; spores ovoid, smooth, melleous under the microscope, 
obliquely apiculate at the base, 8-9 X 64; stipe subequal, usually abruptly enlarged at the 
base, white or pale-yellowish, fibrillose, solid, white within, 5 cm. long, about 8 mm. thick. 
Type collected on the ground in woods at Pittsford, New York, September 28, 1915, Fred S. 
Boughion (herb. N. Y. Bot. Gard.). 
DIistR1iBuTION: Known only from the type locality. 
24. Hebeloma velatum Peck, Bull. N. Y. State Mus. 139: 69. 
1910. 
Hebeloma Colvini velatum Peck, Ann. Rep. N. Y. State Mus. 48: 19. 1897. 
Pileus convex, plane or slightly centrally depressed, obtuse or umbonate, gregarious or 
cespitose, 2.5-5 cm. broad; surface slightly viscid when moist, glabrous or slightly silky from 
the veil, chestnut-colored, reddish-gray, pale-ochraceous, or grayish, margin silky or floccosely- 
scaly or appendiculate with the fragments of the veil; lamellae crowded, ventricose, adnexed, 
whitish, becoming pale-cinnamon, whitish and often crenulate on the edges; spores sub- 
ellipsoid, 10-12 X 6-8 4; stipe equal, hollow, silky-fibrillose, sometimes floccosely-squamulose 
toward the base, often more or less annulate, whitish, 3.5-6 cm. long, 4-6 mm. thick; veil 
rupturing and disappearing with age or persisting on the margin and stipe, soft, cottony, 
whitish or grayish. 
Typr LOCALITY: Rouses Point, Clinton County, New York. 
Hasirat: In gravelly soil under cottonwood trees. 
DistTRIBUTION: New York. 
25. Hebeloma palustre Peck, Bull. N. Y. State Mus. 5: 649. 1899. 
Pileus thin, broadly convex, becoming nearly plane, sometimes wavy or irregular, 2.5— 
3.5 em. broad; surface glabrous, hygrophanous, grayish-brown when moist, paler when dry, 
margin slightly striatrlate when moist; context whitish; lamellae crowded, thin, ventricose, 
