218 NORTH AMERICAN FLORA [VotumE 10 
7. Hebeloma paludicola Murrill, sp. nov. 
Pileus small, thin, convex to expanded, gregarious, 1-2 cm. broad; surface viscid, smooth, 
glabrous, grayish-rosy-isabelline, bay on the disk in mature specimens and over most of the 
surface in young stages, margin entire, concolorous; lamellae sinuate, ventricose, subdistant, 
pallid to clay-colored; spores ovoid, smooth, melleous, tapering toward the apex, obliquely 
apiculate at the base, 9-10 X 64; stipe long, slender, equal, white, whitish-fibrillose from the 
remains of the slight, evanescent veil, much twisted in dried specimens, 5-6 cm. long, 3-4 mm. 
thick. 
Type collected among sphagnum in marshy ground at Lake Placid, Adirondack Mountains, 
New York, October 3-14, 1912, W. A. & Edna L. Murrill 776 (herb. N. Y. Bot. Gard.). 
DISTRIBUTION: Known only from the type locality. 
8. Hebeloma sociale Peck, Bull. N. Y. State Mus. 75: 15. 1904. 
Pileus fleshy but thin, convex, becoming plane or nearly so, gregarious or subcespitose, 
3 cm. broad; surface glabrous, slightly viscid when moist, yellowish-white; context yellowish- 
white, the taste nauseous; lamellae thin, crowded, adnexed, whitish, becoming yellowish, and 
finally brownish-ferruginous; spores ellipsoid, brownish-ferruginous, 6-8 4-5 y; stipe short, 
fibrous, floccose-fibrillose, hollow, white, 2.5-3.5 cm. long, 3-6 mm. thick. 
Type LocALIty: Menands, New York. 
Hapirat: Among short grass in pastures. 
DistRIBUTION: Known only from the type locality. 
9. Hebeloma vatricosum (Fries) Murrill. 
Agaricus vatricosus Fries, Obs. Myc. 2: 46. 1818. 
Inocybe vatricosa Quél. Ench. Fung. 98. 1886. 
Pileus subfleshy, convex to plane, subumbonate, gregarious or subcespitose, 3 cm. broad; 
surface glabrous, viscid, whitish or argillaceous-white, margin silky; context thin, watery, 
without odor; lamellae emarginate, ventricose, white to brownish; spores ellipsoid, smooth, 
8-9 X 54 (Kauffman), 5-6 & 3-3.5 » (Massee); stipe contorted, curved, subconcolorous, 
hollow, pulverulent, white-squamulose at the apex, 3 cm. long, 2-4 mm. thick. 
TYPE LOCALITY: Sweden. 
HasiraTt: On the ground in woods. 
DistTRIBUTION: Eastern United States; also in Europe. 
ILLUSTRATIONS: Cooke, Brit. Fungi pl. 4030 (443); Fries, Ie. Hymen. ph 110, f. 3. 
10. Hebeloma kalmicola Murrill, sp. nov. 
Pileus convex, not fully expanding, slightly depressed at the center with age, not um- 
bonate, gregarious, 2.5-3.5 cm. broad; surface moist, subglabrous, uniformly yellowish-white 
to cream-colored, margin entire, concolorous, not striate; context thin, with slightly unpleasant 
taste and no odor; lamellae adnexed or sinuate, very broad, of medium distance, thin, yel- 
lowish-white to dirty-white, entire and concolorous on the edges; spores ellipsoid, smooth, 
pale-yellow, uniguttulate, about 12 X 7 u; stipe slender, cylindric, equal, fibrillose, slightly 
darker than the pileus, hollow, 5 cm. long, 3 mm. thick. 
‘Type collected on a much decayed mossy stump of Kalmia latifolia on Apple Orchard Mountain, 
near Bedford, Virginia, October 24-27, 1916, W. A. Murrill (herb. N. Y. Bot. Gard.). 
DISTRIBUTION: Known only from ‘the type locality. 
11. Hebeloma albidulum Peck, Ann. Rep. N. Y. State Mus. 54: 
148. 1901. 
Pileus fleshy, firm, broadly convex or nearly plane, 2.5-5 cm. broad; surface glabrous, 
slightly viscid when moist, dingy-white or grayish-white; context white; lamellae crowded, 
natrow, adnexed, whitish, becoming brownish-ferruginous, white and minutely denticulate 
on the edges; spores subellipsoid, obtuse, 10-12 X 6-8 yu; stipe equal, firm, glabrous, slightly 
mealy or pruinose at the apex, hollow, sometimes slightly bulbous, concolorous, 3-6 cm. long, 
4-6 mm. thick, 
Tyre LOCALITY: Westport, New York. 
Hasirat: Among fallen leaves in woods. 
DistRrBuTIoN: New York. 
