Russula fragilis (Pers. ex Fr.) Fr. Wechselfarbiger Speitäubling, Fragile Russula. Cap 2–5cm across, convex, then flattening or depressed, variable in colour, usually purplish or violet-tinted and rather pale, or purplish-red, purple-violet, olive-greenish, even lemon yellow, often with combinations of these, with a darker, paler or olive-tinted centre, thin-fleshed, usually delicate and fragile, three-quarters peeling. Stem 25–60 x 5–15mm, white, cylindrical to slightly club-shaped. Flesh white. Taste very hot, smell slightly fruity. Gills adnexed, white to very pale cream, with tiny nicks along their edges. Spore print whitish (A–B). Spores somewhat globose with warts up to 0.5µ high, joined by fine lines forming an almost complete network, 7.5–9 x 6–8µ. Cap cystidia cylindrical to club-shaped, with 0–2 septa, reacting strongly with SV. Habitat under broad-leaved trees or conifers. Season late summer to late autumn. Common. Not edible. Distribution, America and Europe.