Gymnopus volkertii Murrill 1916

Gymnopus volkertii Murrill, sp. nov
Pileus convex to expanded, umbonate at first, often becoming depressed around the umbo, solitary, 3-4 cm. broad; surface glabrous, dry, minutely radiate-striatulate, uniformly lightbrown, margin concolorous, estriate, inflexed when young, becoming uneven, cracked and upturned with age: context very thin, white, without characteristic taste or odor; lamellae adnexed, narrow, very much crowded, ventricose, white, several times inserted; spores ellipsoid, sUghtly pointed at one end, smooth, hyaline, 7-8.5 X 5-6 fx: stipe cylindric, equal, cartilaginous, hollow, smooth, glabrous, polished, milk-white at the apex, subconcolorous with the pileus below, 3 cm. long, 2.5 mm. thick.
Type collected on a lawn under an oak on buried dead sticks, acorns, and grass roots, near the New York Botanical Garden, July 31, 1911, E. C. Volkert (herb. N. Y. Bot. Card.)Distribution: Vicinity of New York City.