Green Brittlegill Russula aeruginea Fr. (illustrated 60% life size) Cap 4โ9cm across, convex then flattening or depressed, margin often furrowed; grass-green, sometimes with yellowish or brownish tinges, without any violaceous tints, often with rusty spots, centre usually darker; smooth or radially veined; half peeling. Stem 40โ80ร7โ20mm; white; fairly firm. Flesh white; taste mild to slightly hot. Gills almost free, usually forking; yellowish-buff. Spores 6โ10ร5โ7ยต, elliptical; rounded warts up to 0.6ยต high, some joined by fine lines to form a very incomplete network with 0โ2 meshes. Spore print cream (DโE). Cap surface hyphae with rectangular, not inflated, supporting cells; cystidia cylindrical to spindle-shaped, without septa. Habitat with birch; summer to early autumn. Common. Edible.
