Cortinarius (Phlegmacium) vulpinus (Velen.) Rob. Henry syn. C. rufoalbus Kühner (illustrated 40% life size) Cap 8–12cm across, convex; russet, bruising reddish-brown, margin slightly whitish; slightly sticky at first, later becoming dry. Stem 70–100×10–18mm, white with conspicuous ring-like zones. Flesh whitish with hints of violet; taste mild, smell earthy becoming cheesy. Gills adnate; violet to pallid clay at first, then more rusty. Spores 12.5–14.5×6.5–7¼, rather variable in size, almond- to lemon-shaped. Spore print rust-brown. Habitat under beech on chalk; autumn. Very rare, vulnerable on Red Data List. Not edible.
