Cystolepiota bucknallii (Berk. & Br.) Singer & Clémençon syn. Lepiota bucknallii (Berk. & Br.) Sacc. syn. Cystoderma bucknallii (Berk. & Br.) Sing. Lepiote de Bucknall, Lilac Dapperling Cap 2–4cm across, umbonate, mealy, whitish with a tinge of lilac-violet when young. Stem 20–45 x 3–5mm, mealy, pale at the apex becoming purple-violet below at least on bruising. Flesh thin, whitish to lilac. Smell strongly of gas-tar. Gills free, cream. Cheilocystidia undifferentiated. Spore print white. Spores elongate ellipsoid, weakly dextrinoid, 7.5–10 x 3–3.5um. Mealy surface of cap formed of thin-walled spherical cells. Habitat in damp deciduous woods. Season autumn. Uncommon. Possibly poisonous. Found In Europe.