Melanoleuca angustifolia Murrill 1914

Melanoleuca angustifolia Murrill, sp. nov
Pileus fleshy, rather thin, conic-convex to plane with a broad, conic umbo, subcespitose, reaching 9 cm. broad ; surface slimyviscid when wet, smooth, glabrous, brownish-yellow with a lilac tint at the center, fading out to a broad, white, marginal zone; cuticle separable, margin thin, white, entire, inflexed, especially on drying ; context firm, white, rather thin, with pleasant odor and nutty flavor ; lamellae plane in mass, very narrow and much crowded, sinuate, several times inserted, white, slightly yellowish when seen at some angles; spores ellipsoid, smooth, hyaline, granular, 6-7X3-4/*; stipe equal or nearly so, smooth, dry, slightly pruinose, milkwhite, reaching 9 cm. long and 1.5 cm. thick.
Type collected on the ground in woods on the bank of the Bronx River in the New York Botanca Garden, August 30, 1911, W. A. Murrill.
Distribution: Known only from the type locality.