Inocybe lacera (Fr.) Kummer. Gemeiner Wirrkopf, Inocbye déchiré, Torn Fibrecap. Cap 1–3cm across, convex with slight umbo, snuff-brown, fibrillose, sometimes splitting from the margin inwards. Stem 20–30 x 3–6mm, whitish near apex, brownish towards the slightly bulbous base, fibrillose. Flesh white. Taste mild, smell mealy. Gills adnexed, white at first, soon clay-buff with white edge. Cystidia thick-walled, fusoid, with apical encrustation. Spore print snuff-brown. Spores smooth, subcylindric, 11–15 x 4.5–6µ, making this species easily recognizable microscopically. Habitat on sandy soils especially with pines. Season autumn. Occasional. Not edible most Inocybes have been found to contain toxins. Distribution, America and Europe.