Mycena capillaripes

Cap 1-2 cm broad, convex, becoming bell-shaped, slightly knobbed or umbonate at maturity; margin entire to slightly scalloped; surface smooth, translucent-striate when moist, grey-brown, sometimes tinged pale vinaceous, fading to pale grey, then slightly furrowed; flesh thin, grey, unchanging; odor of bleach; taste mild.
Gills adnate, moderately broad, close, in age subdistant, ashy-grey, edges pinkish.
Stipe 4-6 cm long, 1-2 mm thick, thin, fragile, hollow; equal or slightly enlarged at the base; apex faintly pruinose, otherwise smooth or polished, colored like the cap but the apex usually paler; veil absent.