indicate different degrees of the same operation. They constitute an
important element in domestic practice, on account of the salutary
effects which generally follow their action. Their operation is favored
by warmth externally, and warm drinks, when they are not given in hot
infusion.

[Illustration: Fig. 127.
Pleurisy-root. ]

PLEURISY-ROOT (_Asclepias Tuberosa_), is also known as White-root, and
Butterfly-weed. It is a valuable remedy, well adapted to break up
inflammations and disease of the chest. _Dose_--Of infusion, one to two
ounces; of fluid extract, one-fourth to one-half teaspoonful; of the
concentrated principle, Asclepin, one to three grains.

SAFFRON (_Crocus Sativus_). Golden Saffron. _Dose_--Of infusion (one
drachm to a pint of water), one to two ounces.

Sage (_Salvia Officinalis_). The warm infusion drunk freely is a
valuable, domestic diaphoretic.

[Illustration: Fig. 128.
Virginia Snake-root. ]

VIRGINIA SNAKE-ROOT (_Aristolochia Serpentaria_), is an efficient
agent. _Dose_--Of infusion, one to two ounces; of tincture, one-fourth
to one teaspoonful; of fluid extract, one-fourth to one-half
teaspoonful.

JABORANDI (_Pilocarpus Pinnatus_). Jaborandi increases the flow of