Scleroderma cepa (Vaill.) Pers. Fruit body 1.5-9cm across, subglobose, flattened, or lobed; no stem or almost none, attached by a thick mass of tough, hairy mycelium. Peridium (outer skin) 1-3mm thick; when fresh, hard, quite tough; white in cross-section, becoming reddish or pinkish brown when cut. Surface whitish when young, becoming straw-colored to yellowish brown or leather brown, turning deep pinky-brown if rubbed; smooth becoming very finely cracked and scaly, especially on the top where exposed to light. Spore mass white and firm when young, soon becoming black or purple-black, then paler or browner and powdery. Odor none. Spores globose, spiny but not reticulate, 7-10 x 7-10µ. Habitat singly, scattered, or in groups under deciduous and coniferous trees in woods, in gardens, and along roadsides. Common. Found widely distributed in North America. Season July-October. Poisonous.