strong tincture, from two to ten drops. It should be used with caution.
A poultice made of the leaves and placed over the kidneys is an
effectual method of employing the drug.

QUEEN OF THE MEADOW (_Eupatorium Purpureum_), is also known as
Gravel-weed, Gravel-root, or Trumpet-weed. This is a most valuable
diuretic. _Dose_--Of the infusion, one to three ounces; of fluid
extract, one-fourth to one-half teaspoonful; of the concentrated
principle, Eupatorin (_Purpu_), one-half to two grains.

BUCHU (_Barosma Crenata_). The leaves are used. This agent has been
extensively employed, generally in compounds. _Dose_--Of infusion,
(steeped for two hours or more) one to two ounces; of fluid extract, the
same; of the concentrated principle, Barosmin, one to three grains.

PIPSISSEWA (_Chimaphila Umbellata_), or Prince's Pine. This is a tonic
to the kidneys, as well as a diuretic and alterative, and is a mild, but
very efficient remedy. _Dose_--Of decoction, one ounce from four to six
times a day; of fluid extract, one-fourth to one-half teaspoonful; of
the concentrated principle, Chimaphilin, one to two grains.

WATER-MELON SEEDS (_Cucurbita Citrullus_). _Dose_--Of infusion, the
patient may drink freely until the desired effect is secured.

PUMPKIN SEEDS (_Cucurbita Pepo_). They are mild, unirritating, yet
effective diuretics. An infusion of these may be drunk freely.

SWEET SPIRIT OF NITRE (_Spiritus Ætheris Nitros_), is diuretic and
anodyne. _Dose_--One-fourth to one-half teaspoonful, diluted in water,
every two or three hours.