Macrolepiota mastoidea (Fr.) Sing. Syn. Macrolepiota gracilenta syn. Lepiota mastioidea (Fr.) Kummer, L. umbonata (Schum.) Schroet. Lépiote mamelonnée Spitzbuckliger Schirmpilz Slender Parasol. Cap 8–12cm across, subglobose at first expanding flattened convex with a distinct acute umbo, white to cream-ochre covered in minute pale ochraceous granular scales. Stem 80–100´8–15mm, white with small, densely crowded, yellowish-brown granular scales, slightly swollen at the base; ring white and thick. Flesh thin, white. Taste and smell not distinctive. Gills white. Spore print white. Spores elliptic, 12–16 x 8–9.5um. Habitat in open woodland. Season autumn. Uncommon. Edible – good. Distribution, America and Europe.