Cortinarius violaceus - Hat 30 with a diameter of 40 to 150 mm, arched, with a broad blunt umbo, fleshy, dry, smooth, velvety, fibro-scaly, initially blue-violet with a metallic sheen, later dark-violet, black-violet, with age black-brown; margin incurved for a long time, young connected to the stem with a pale violet veil

Lamellae thick, broad, broadly adnate, young pure violet, dark violet, gradually staining rusty brown, cinnamon brown to black brown; the blade is lighter, whitish, villi (with a magnifying glass).

Stem 60-120 mm high, 10-30 mm thick, rod-shaped, clearly thickened at the base, with a bulbous base (40 mm) and covered with bluish mycelium; tubular hollow or hollow in older sporocarps; initially purple, dark purple, browning with age, even blackish in the dry period, surface longitudinally fibrillose, scaly, with age glabrous, in young specimens with rapidly disappearing blue, later rust-colored with spores.

Watery, gray-violet pulp, with a thick hat, with the scent of cedar wood or leather and a mild, not very pronounced taste; with KOH the flesh reacts blood-red.

Occurrence: On the ground, in deciduous, less often coniferous forests, usually in medium and higher mountainous parts or north-eastern regions, on neutral and alkaline substrates; infrequent, grows individually or in groups. From August to October.

Value: Opinions are divided on fitness for consumption.