tincture,

from one to two drachms; of the

syrup

(used for children), from one drachm to one ounce.

Caution.

—Do not give senna, in any form except confection, in hæmorrhoids, and never in irritability of the intestines.

739. Rhubarb

Rhubarb is a purgative, astringent and stomachic.

It is