T. europseus: stems erect, glabrous, 1-2 feet high, simple, or nearly so; root-leaves palmately divided into three or five segments, which are lobed and cut, those of the stem few, small, nearly sessile; flowers large, pale yellow, with ten to fifteen broad, concave, converging sepals, usually concealing the petals, stamens, and carpels. - Moist mountain pastures. Fl. June, July.