Sandy soil under trees, etc. From 1–2 in. across. Distinguished by the thin, almost smooth peridium, and the yellow tramal walls. Massee.
West Virginia, New Jersey, Pennsylvania. On ground under trees. June to November. McIlvaine.
Not rough like S. vulgare and S. verrucosum, nor as solid. Same habit, same edible qualities when young. It is not good after it begins to change color.
S. verruco´sum Pers.—verrucosus, covered with warts (verrucœ). Peridium thin above, ochraceous or dingy brown, covered with minute warts, subglobose, continued downward as a more or less elongated stem-like base. Spores umber in the mass; trama whitish.
Spores globose, warted, 10–13µ.
On the ground, under trees, etc. Peridium 1–3 in. across. Stem ½-2 in. long, thick, flatly pitted, sometimes almost sessile, when it approaches S. vulgare, but is distinguished by the thin peridium and absence of purple tinge in the immature spore mass. Massee.
West Virginia, New Jersey, Pennsylvania. June to October. On ground under trees. Same habit as S. vulgare. McIlvaine.
S. verrucosum closely resembles S. vulgare. The distinctions are noted in the description. It must be young, fresh and white inside, or it is bitter. It is not of as good quality as S. vulgare.
S. geas´ter Fr.—resembling genus Geaster in its manner of opening. Subglobose, sessile, peridium thick, rigid, almost smooth, splitting in an irregularly stellate manner at the apex.
Spores warted, 12–16µ.