Pileus convex, then expanded, obtuse or at length obtusely umbonate or gibbous, pale flesh-colour when moist, whitish when dry, margin at first incurved; then expanded and slightly striate, 5-8 cm. across; flesh thin, rather flexible; gills adnexed at first, soon free, very closely crowded, narrow, plane, tinged flesh-colour, then whitish; spores elliptical, 7-8 x 3.5 µ; stem 5-10 cm. long, 2-4 mm. thick, rigid, fragile, hollow, slightly thinner upwards, rarely flattened, very glabrous except at the base, even, rufous or brown, wall of cavity of stem glabrous.

New Zealand. Europe, South Africa.

On trunks, &c.

Care must be taken not to confound the present species with Marasmius erythropus. (See note under the last-named fungus.)