Slender Parasol Macrolepiota mastoidea (Fr.) Singer syn. M. gracilenta (Krombh.) Wasser syn. Lepiota mastioidea (Fr.) P. Kumm. (illustrated 30% life size) 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, slightly swollen at the base; white with small, densely crowded, yellowish-brown granular scales; ring white and thick. Flesh white; thin; taste and smell not distinctive. Gills white. Spores 12–16×8–9.5¼, elliptic. Spore print white. Habitat in open woods; autumn. Occasional. Edible good.
