Part 5, 1916] AGARICACEAE 825 
or subalutaceous on drying, sulcate-striate, somewhat plicate-crenate on the margin: lamellae 
thin, crowded, broad at the outer extremity, narrowed toward the stipe, pale-yellow, becoming 
pallid on drying: spores ellipsoid or subovoid, 6-8 X 4-5 u: stipe slender, equal, glabrous, 
hollow, chestnut-colored. 
TYPE Locality: North Elba, New York. 
Hasitat: Under balsam fir trees. 
DISTRIBUTION: Known only from the type locality. 
15. Prunulus subincarnatus (Peck) Murrill. 
Agaricus subincarnatus Peck, Ann. Rep. N. Y. State Cab. 23: 83. 1872. 
Mycena subincarnata Sacc. Syl. Fung. Ps: 262. 1887. 
Pileus hemispheric, convex or expanded, gregarious, 6-15 mm. broad; surface pale-yellow 
or flesh-colored to whitish, margin striatulate: lamellae subincarnate, uncinate, decurrent- 
toothed: stipe slender, hollow, white-villose at the base, 2.5—4 cm. long. 
TyPE Locality: Center, New York. 
HasitatT: Under pine trees. 
DISTRIBUTION: New York and New Jersey. 
16. Prunulus leptophyllus (Peck) Murrill. 
Agaricus (Mycena) leptophyllus Peck, Ann. Rep. N. ¥. State Mus. 24: 63. 1872. 
Mycena leptophylia Sacc. Syll. Fung. 5: 304. 1887. 
Pileus thin, campanulate or convex, subpapillate, 6-10 mm. broad; surface glabrous, 
pale-reddish-yellow, brighter on the disk, margin striatulate when moist: lamellae crowded, 
narrow, uncinate, white or yellowish-flesh-colored, spotted, the ends accuminate: spores 
broadly ellipsoid, smooth, hyaline, 7-8 X 5-6 uw: stipe thin, tough, glabrous, whitish, hollow, 
1.5-4 cm. long, 1 mm. thick. 
TYPE LocaLiry: Greig, New York. 
Hasrrat: On old mossy logs and rotten wood in woods. 
DIstRIBUTION: Known only from the type locality. 
17. Prunulus melleidiscus Murrill, sp. nov. 
Pileus convex to expanded, solitary or gregarious, 5-7 mm. broad; surface viscid, shining, 
smooth, striate, dark-melleous on the disk, gradually paler toward the margin, which is white, 
entire, and translucent: lamellae adnexed, rather crowded, ventricose, of medium width, 
white: stipe slender, equal, viscid, smooth, glabrous, white, mycelioid at the base, 3-4 cm. 
long, 1 mm. thick. 
Type collected among leaf-mold in woods on the north shore of Sebec Lake, Piscataquis County, 
Maine, September 16, 17, 1905, W. A. Murrill 2602 (herb. N. Y. Bot. Gard.). 
DIstRIBUTION: Known only from the type locality. 
18. Prunulus luteopallens (Peck) Murrill. 
Agaricus (Mycena) luteopallens Peck, Ann. Rep. N. Y. State Mus, 32: 27. 1880. 
Mycena luteopallens Sacc. Syll. Fung. 9: 37. 1891. 
Pileus thin, submembranous, convex, solitary or cespitose, 6-15 mm. broad; surface 
glabrous, bright-yellow, paler when dry, margin striatulate when moist: lamellae subdistant, 
slightly arcuate, yellow: stipe equal or tapering upward, smooth, yellow, hollow, having 
yellow hairs at the base, usually long-radicate, 5 em. long, 2 mm. thick. 
Type Locauiry: Adirondack Mountains, New York. 
Hasrrat: Among fallen leaves in woods, often attached to buried wood or walnuts. 
DISTRIBUTION: New York, Connecticut, and New Jersey. 
ILLUSTRATION: Mycologia 7: pl. 160, f. 6. 
19. Prunulus Sabali Murrill, sp. nov. 
Pileus convex, scarcely wmbonate, not fully expanding, solitary, 1 cm. broad; surface 
glabrous, rugose, striate, dry, pale-luteous, slightly darker on the disk: lamellae adnate, sub- 
distant, narrow, white: stipe cylindric, glabrous, smooth, white, pubescent at the base, 3 cm. 
long, 1 mm. thick. 
Type collected on a dead petiole of a dwarf palmetto in City Park, New Orleans, Louisiana, 
September 6, 1908, F. S. Earle 77 (herb. N. Y. Bot. Gard.). 
Distripution: Known only from the type locality. 
