Erechthites hieracifolia, Raf. (Senecio hieracifolius, Linn.). Natural Order , Compositae. Common name , Fireweed. Preparation , Tincture of whole plant. Authorities. 1 , E. M. Hale, provings by T. J. Merryman, with 2d dec. dil., 31 doses of from 10 to 100 drops each, in sixteen days; and 1 b , the tincture, 12 doses of 10 to 20 drops each in five days; and 1 c , 200 drops of tincture, Trans. Hom. Med. Soc. of New York, 1868, p. 78; 2 , J. M. Cunningham took 1st dec. dil. 1 oz., in doses of 10, 20, 80, and 350 drops; and 2 b , tincture, 6 doses in five days, of 10 of 20 drops each, ibid.