Petticoat Mottlegill
Panaeolus papilionaceus

Forests, parks, fallow land, meadows, pastures. Summer, autumn.
Fruiting bodies small. Cap 2-3 (3) cm across, half bell-shaped, convex-conical, finally flattened, with an umbo, smooth-surfaced when young, cracked when old, as if scaly, pale whitish, ash-coloured or pale brownish. Gills grey, black when old, broad, adnexed. Stem 3-8x0.2-0.4 cm, whitish, thickening and turning brownish towards the base. Flesh membranous, brownish, without any particular smell or taste. Characteristic features: cap pale brownish-grey, spores large, black, lemon-shaped. Grows on the excrement of wild animals, singly or in small groups. Not rare. Has psychotropic properties causing hallucinations; of interest to physicians.