Marasmius caricicola Kauffman 1915

Marasmius caricicola C. H. Kauffman, sp. no v
Pileus membranous, somewhat tough, pliant, convex-expanded, obtuse, gregarious, 4-8 mm. broad; surface broadly sulcate or alveolate, pruinose, pure-white: lamellae thick, adnate. very distant, rather broad, pure-white: spores 15-18 X 6-6.5 m; basidia 2or 4-spored: stipe very short, terete, equal, subglabrous, pure-white, inserted by a naked base, 2 mm. long, 0.7 mm. thick.
Type collected upon stems of sedges in marshes near Ann Arbor, Michigan, October, 1907, C. H. Kauffman (herb. Kauifman).
Distribution: Known only from the type locality.