P. E.—Fresh root.
N. H.—America and Europe.
Properties: Tonic, expectorant, diaphoretic, mild stimulant.
Use: In irritation of the pulmonary membranes. Its main action is on the large air passages, the trachea and bronchi. Lower down it is of little value. We think of it in the cough of influenza, chronic bronchitis, teasing coughs, profuse catarrhal secretions, bronchitis, night sweats, catarrhal discharge of the uterus, vagina and bladder, in fact in a general atonic condition of the viscera. It imparts tone to the urinary tract, stomach, intestines and respiratory tract.