Contractions. - Senec. Snc.

Nat. ord., Compositae.

Synonym. - S. gracilis.

Fig. - Rehb. Flor. Germ., 16, pl. 982.

Life-root, Ragwort, Squaw-weed.

Indian name. - Uncum.

' Habitat. - Banks of creeks and low marshy ground throughout the north and west of the United States.

Flowering time. - May and June.

Parts employed. - The entire plant.

Characters. - It has an erect, smoothish, striate stem, 1 or 2 feet high, flocose-woolly when young, simple or branched above, terminating in a kind of umbellate, simple or compound corymb. The radical leaves are simple and rounded, the larger mostly cordate, crenate-serrate, and long-petioled; the lower cauline leaves lyre-sbaped; the upper ones few, slender, cut-pinnatifid, dentate, sessile or partly clasping; the terminal segments lanceolate; peduncles sub-umbellate, and thick upwards; corymbs umbel-like. Rays from 8 to 12, 4 or 5 lines long, spreading. Flowers golden yellow. Scales linear, acute, and purplish at the apex. The root is horizontal, from half an inch to 6 or 8 inches in length, and about 2 lines in diameter, reddish or purplish externally, and white purplish internally, with an aromatic taste, and having scattered fibres.

Dr. Hale has satisfied himself as to the identity of 8. aureus and S. gracilis, the latter being only a slender state of the former, "found on rocky shores."

Time for collecting. - When in flower.

Preparations. - Tincture, corresponding in alcoholic strength with proof spirit. Trituration of Senecin.

Reference to Horn. Proving. - Hale's New Remedies.

Proper forms for dispensing. - φ and lx, Tincture only. 1 and upwards, Tincture, Pilules, or Globules.