Bay Cup Peziza badia Pers. (illustrated 50% life size) Cup 3–8cm across, cup-shaped at first, becoming irregularly wavy with age, sessile; inner surface olive-brown, outer reddish-brown, slightly scurfy. Flesh thin, reddish-brown, yielding a watery juice. Spores 17–20×9–12¼, elliptical, irregularly reticulate, containing 2 oil drops. Asci 330×15¼, blued at tip by iodine. Habitat on soil, especially on open clay banks or along path sides; late summer to autumn. Frequent. Poisonous unless thoroughly cooked.
