“herbaceous, erect, branched; stem terete, minutely puberulous; leaves glabrous, membranaceous, sessile, ear-clasping, pinnatipartite, the lobes on each side 5–6, oblong, obtuse, sinuate-toothed, some of the lower ones petioled, exauriculate; corymb loosely few-headed; pedicels long, nude; inv. nude at base, 10-leaved, scarcely puberulous, not torulose, equalling the disc; disc-fl. about 20, rays 5, minute, revolute; achenes terete, pubescent.” DC. l. c. Stems in var. β. 1–1 1/2 feet, fistular, striate, minutely scaberulous. Leaves 1 1/2 inch long, subpetiolate, deeply pinnatifid, the lobes in several pairs, horizontal, oblong, sharply and unequally toothed or biserrate. Corymb rather close. Inv. scales sparsely hispid, flat. Achenes pubescent. I have not seen var. α.
