Helvella corium (O. Weberb.) Massee. syn. Cyathipodia corium (O. Weberb.) Boud. (illustrated 65% life size) Fruit body stalked, cup-like then expanded. Cap inside black, smooth; outer surface lighter due to downy hairs. Stem 10–30mm long; black, covered in a down of dark grey-brown, thin-walled, septate hairs. Spores 20–22×12–14¼, broadly elliptical, smooth, containing one large oil drop. Asci 300×18¼. Habitat on sandy soil, often on dunes; summer to autumn. Uncommon but locally abundant. Not edible.
