Pileus 1.5-2.0 cm diam, convex, obtuse to slightly umbonate, center brownish, elsewhere with whitish ground, and covered with brownish squamules. Context thin, whitish. Lamellae free, white, crowded; lamellulae present. Stipe 3.0-5.0 cm x 2-3 mm, subclavate, hollow, glabrous, brownish.
Basidiospores (fig. 4A) [20/1/1] (7.0-)7.5-9.5 (-10.0) x 4.0-5.0 µm (Q = 1.56-2.00, Q = 1.84 ± 0.13), amygdaliform in side view, attenuate toward apex, ovoid in front view, without germ pore, hyaline, smooth, slightly thick-walled, dextrinoid, congophilic, metachromatic in cresyl blue. Basidia 16-22 × 7-12 µm, clavate, four-spored, hyaline. Cheilocystidia (fig. 4B) 21.5-39 × 10-20 µm, clavate to broadly clavate, rarely narrowed at the apex, thin-walled, hyaline. Pleurocystidia absent. Pileipellis (fig. 4C) a loosely arranged cutis of cylindrical hyphae; terminal elements suberect, sometimes differentiated, 24-51 (-61) x 6-11 µm, subcylindrical to narrowly clavate, thin-walled, with pale brown intracellular pigments, and often encrusted with brown pigments at base. Clamp connections absent.
Materials examined: USA: Ohio. C.G. Lloyd (NYS, holotype).
Distribution. - Eastern North America.