604. Helianthus annuus.—Sunflower.
604. HELIANTHUS ANNUUS Linné.—Our common sunflower, the seeds of which are sometimes used as a diuretic and expectorant in pulmonary and laryngeal affections. Dose of fluidextract: 1 to 2 fl. dr. (4 to 8 mils). The fixed oil expressed from them has become an article of commerce, and the growing plants themselves enjoy the reputation of purifying malarial districts.