Pileus: Pale buff in color; tough and fleshy; flat convex, becoming depressed and at length wrinkled; one to two inches in diameter.
Gills: Unequal, cream colored, becoming brownish; much closer together than in the true Champignon, hardly reaching the stem proper.
Stem: Solid; fibrous; pale, its surface more or less covered with white, flocculent down, and densely clothed with white down at base.
Taste: Acrid.
Habitat: Lawns and pastures, often in association with the edible M. oreades.
Marasmius peronatus
Pileus: Reddish buff; convex slightly flattened at top, becoming convex by expansion; very wrinkled when old; diameter, at full expansion, between one and two inches.
Gills: Thin and crowded; creamy, becoming light reddish brown, continuing slightly down stem by a short, abrupt curve.
Stem: Solid; fibrous; pale, densely clothed with stiff yellow hairs at base.
Taste: Acrid.