introducing medicine into
the system. We shall briefly mention some which prove to be very
grateful to the sick.

VARIOUS VEGETABLE ACIDS AND JELLIES may be dissolved in water, as apple,
currant, quince, grape, or cranberry.

THE JUICE OF LEMONS, ORANGES, PINE-APPLES, AND TAMARINDS, is also found
to be refreshing to fever patients.

SASSAFRAS-PITH, SLIPPERY-ELM BARK, FLAX-SEED, AND GUM ARABIC make good
mucilaginous drinks for soothing irritation of the bowels and other
parts.

BREWERS' YEAST mixed with water in the proportion of from one-eighth to
one-fourth is a stimulant and antiseptic.

THE WHITE ASHES OF HICKORY OR MAPLE WOOD dissolved in water make an
excellent alkaline drink in fevers, or whenever the system seems
surcharged with acidity.

DIURETICS.

_Diuretics_ are medicines which, by their action on the kidneys,
increase the flow of urine.

[Illustration: Fig. 130.
Marsh-mallow. ]

MARSH-MALLOW (_Althea Officinalis_) is used in irritable conditions of
the urinary organs. The infusion may be drunk freely.

GRAVEL-PLANT (_Epigea Repens_), is also known as Water-pink,
Trailing-arbutus, or Gravel-root. _Dose_--Of decoction of the plant, one
to three ounces; of fluid extract, one-fourth to one-half teaspoonful.

[Illustration: Fig. 131.
Stone-root. ]

STONE-ROOT (_Collinsonia Canadensis_), is also known as Knot-root,
Horse-balm, Rich-weed, or Ox-balm. This is a mild diuretic, slow in
action, yet effective in allaying irritation of the

FOXGLOVE (_Digitalis purpurea_) slows the action of the heart, lowers
the temperature, and acts indirectly as a diuretic. It is especially
valuable in the treatment of scarlet fever and in dropsy. _Dose_--Of
infusion, one-half drachm to one-half ounce; of the fluid extract or
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 extrac