Marasmius cystidiosus (Smith & Hesler) Gilliam Cap 2-5cm across, obtusely bell-shaped; pale tan to buff becoming pale, creamish, with a darker center; smooth, striate when moist. Gills adnate-seceding, crowded; pale buff. Stem 60-120 x 3-6mm, long, thin, sometimes twisted; whitish above, very pale gray-brown toward the white mycelium base; cartilaginous. Odor strong. Taste slight. Spores ellipsoid, 7-9 x 2.5-3.5ì. Deposit white. Pleurocystidia subfusoid, apex often ripple-like, 36-67 x 3-8ì. Habitat in clusters on decayed wood of deciduous trees. Not common. Found in northeastern North America. Season May-July. Edibility not known.