Cortinarius (Phlegmacium) sodagnitus Henry Violtter Klumpfuss Bitter Bigfoot Webcap Cap 3–10cm across, convex, bright violaceous at first discolouring ochraceous to buff from centre outwards, fading to silvery; lilac at the margin with age. Stem 25–100 x 5–18mm, 12–30mm at the distinctly marginate bulb, violaceous like the cap at first discolouring ochraceous from the base up except for a persistent narrow violet zone at the apex; cortina violaceous. Flesh whitish with violaceous flush in stem apex and ochraceous tinge in bulb. Taste bitter in the cap cuticle, flesh mild, smell faint, mushroomy. Gills violet then clay-pink to umber; edge remaining violaceous a long time. Spore print rust. Spores almond-shaped, rough, 10–12 x 5.5–6.5µ. NaOH turns cap cuticle bright red. Habitat beech woods, usually on chalk. Season autumn. Occasional. Edibility suspect -avoid. Found In Europe and America.