Eupatorium Purpureum. (Queen of the Meadow.)
Preparation.—Prepare a tincture from the recent root, in the proportion of ℥viij. to Alcohol 98° Oj. Dose, gtts. x. to fʒss.
Its principal influence is upon the kidneys, and it may be employed whenever an increased volume of urine is desirable.
It has been mostly employed in the treatment of dropsy, with reported success.
Its influence upon the urinary organs may doubtless be made valuable, but it requires further study.