Russula parazurea J. Schaeff.
Blaugrüner Reiftäubling, Russule presque azurée, Powdery Brittlegill.
Cap 3–8cm across, convex then flattening, with greyish, dark colours, olive, violet-grey, greyish sepia or chestnut or tinged with dull green, wine or violet, firm, rather fleshy, sometimes greasy, usually matt, often as if powdered when dry, half to three quarters peeling. Stem 30–70 x 7–20mm, white. Flesh white. Taste mild or very slightly hot. Gills adnexed, pale buff, often forked. Spore print palish cream (C–D). Spores elliptic with warts up to 0.5µ high, some isolated but mostly joined by lines forming a moderately developed network, 5.7–8.5 x 5–6.5µ. Cap hyphae with the terminal cell usually tapering and the supporting cells rectangular. Cap cystidia cylindrical to narrow club-shaped, without septa, moderately reacting to SV. Habitat under broad-leaved trees. Season early summer to autumn. Occasional. Edible. (Never eat any mushroom until you are certain it is edible as many are poisonous and some are deadly poisonous) Found In Europe.