Melanoleuca davisiae (Peck) Murrill 1914

Melanoleuca davisiae (Peck) Murrill
Tricholoma Davisiae Peck, Bull. Torrey Club 27: 611. 1900.
Pileus fleshy, thin except in the center, very fragile, at first rounded, becoming convex or nearly plane, acutely or bluntly umbonate, 4-10 cm. broad; surface dry, pruinose or slightly pulverulent, floccose-squamulose toward the margin, brightyellow when young and often tinged with red or green and showing changeable or iridescent hues, becoming paler with age and assuming pinkish or salmon tints, brown or purplish-brown in the center, margin thin, involute, often split; context white, taste farinaceous, then disagreeable; lamellae broad, subdistant, rounded behind and somewhat ventricose, adnexed, whitish becoming tinged with salmon, especially on the edge; spores broadly ellipsoid or subglobose, 5-6X5 /*; stipe nearly equal, straight or curved, stuffed or slightly hollow, fibrous, penetrating the earth deeply, white externally and within, 5-10 cm. long, 8-13 mm. thick.
Type locality: Falmouth, Maine, Habitat: Among fallen leaves in pine woods. Distribution: Maine.

Tricholoma davisiae is a mushroom of the agaric genus Tricholoma. It was first formally described by Charles Horton Peck in 1900.