Helianthus. Helianthus Annuus. Sunflower. N. O. Compositae. Tincture of mature flower-heads. Tincture of ripe seeds.   Clinical.-Cold. Constipation. Epistaxis. Haemorrhoids. Nasal obstruction. Spleen, affections of. Throat, sore. Urticaria. Vomiting. Wounds.