567. ERECHTHITES HIERACIFOLIA Rafinesque.—FIREWEED. Habitat: United States. (Leaves.) The name (fireweed) comes from the fact that the plant springs up spontaneously in burned districts. Tonic and astringent in dysentery, etc. Dose: 30 to 60 gr. (2 to 4 Gm.). The volatile oil of this plant has been used to adulterate the oil of erigeron.
A Manual of Organic Materia Medica and Pharmacognosy, 1917, was written by Lucius E. Sayre, B.S. Ph. M.