Peziza violacea Pers. (illustrated 80% life size) Cup 1–4cm across, cup-shaped, expanding, often in clusters, sessile; inner surface violaceous, sometimes with a brown tint, outer paler, slightly scurfy. Flesh mauve; thin. Spores 11–13×6–8¼, finely warted, containing 2 oil drops. Asci 250×10¼, blued at the tip by iodine. Habitat on fire sites; autumn to summer. Uncommon. Not edible. Note in my first book this species was referred to as Peziza praetervisa Bres.