Peziza succosa Berk. Cup 2-5cm across, cup-shaped expanding to shallowly cup shaped or even somewhat disc-like, sometimes with a somewhat lobed margin; inner surface gray-brown with a slight olivaceous tint, outer surface whitish, grayish, or yellowish. No stem. Flesh thin; whitish yielding yellow juice that makes yellow stains on the edges of the cup and flesh. Asci 350 x 18µ. Spores ellipsoid, warty and ridged, containing 2 large oil drops, 17-22 x 9-12µ. Habitat on damp soil in woods. Quite frequent. Found in northeastern North America, west to Wisconsin. Season June-August. Not edible.