Bleach Cup Disciotis venosa (Pers.) Fr. (illustrated 35% life size) Cup 3–15cm across, saucer-shaped with a short, thick stalk, which is often buried in the soil; inner surface dark brown, corrugate, especially at the centre; outer surface whitish and slightly scurfy. Spores 19–25×12–15¼, broadly elliptical. Asci 320×20¼. Habitat in lawns or on soil in woodland; spring. Occasional. Poisonous.