a much-branched shrub about 3 ft. high; branches diffuse, purplish, thinly pilose or puberulous, becoming at length nearly glabrous; leaves slender, up to 2 1/2 in. long, bipinnately divided in the upper 1/2 or 2/3, thinly pilose or glabrous; ultimate segments up to 3/4 in. long, subulate or almost filiform, very acute; heads usually very numerous, in a broad corymb on a short common peduncle, enclosed by the leaves, individual heads about 4 lin. long, 5–7-flowered; ultimate peduncles 1/4– 3/4 in. long, slender, densely pubescent, with a solitary subulate pubescent bract about 2 lin. long at the base of each; floral bracts more or less ovate, with a gland-tipped glabrescent acumen, villous, about 1 1/2 lin. long; flowers slightly curved in bud; perianth-tube about 3/4 lin. long, pilose; segments 2 1/2 lin. long, linear-filiform, shortly adpressed-tomentose; limb 3/4 lin. long, elliptic, subacute, tomentose; anthers 2/3 lin. long; ovary pubescent; style 2 1/2 lin. long, glabrous; stigma 1/3 lin. long, subclavate, somewhat acute; fruit about 2 lin. long, obovoid, shortly villous in the upper half. null