Marasmius subrotula Murrill 1915

Marasmius subrotula Murrill, sp. nov
Pileus small, thin, convex to expanded, slightly umbonate, gregarious or cespitose, 5 mm. broad; surface broadly sulcate, pale-rosy-isabelline, yellowish on the disk, fading to white, pruinose to glabrous, margin entire, concolorous; lamellae adnate, not attached to a collar, few, very distant, not inter-eined, broad, thick, firm, white: stipe avellaneous to brownish, white at the apex, smooth, glabrous, shining, capillary, compressed, slightly whitish-mycelioid at the base, about 4 cm. long.
Type collected on dead twigs at Hope Gardens, Jamaica, November 6, 1902, F. S. Earle 501 (herb. N. Y. Bot. Gard.).
Distribution: Known only from the type locality.