Hemidesmus. B. P., not official. - The dried root of Hemides-mus Indicus (nat. ord. Asclepiadaceae). Synonym. - Indian Sarsaparilla.

Habitat

India.

Characters

Cylindrical, twisted, longitudinally furrowed; 15. cm. long; their yellowish-brown corky layer easily separable from the rest of the bark, which is annularly cracked. Odor fragrant, taste sweetish, slightly acid. Resembling Hemidesmus. -Sarsaparilla, Ipecacuanha, and Senega, but they have no cracks.

Composition

The chief constituents are - (1) Coumarin (2) Hemi-desmine. (3) Tannic Acid.

Preparation

Syrupus Hemidesmi. B. P., not official. - Syrup of Hemidesmus. Hemidesmus, 4; Sugar, 28; Boiling Water, 16. Dose, 1/2 to 1 fl. dr.; 2. to 4. c.c.

Action And Therapeutics Of Indian Sarsaparilla

Hemidesmus is used chiefly in India, and for the same purposes as sarsaparilla. It is doubtful whether it has any particular action. The syrup may be given as a flavoring agent.