The dried root of Hemidesmus indicus, Indian sarsaparilla. India.

Fig. 207.   Hemidesmus.

Fig. 207. - Hemidesmus.

Characters. - Yellowish-brown, cylindrical, tortuous, furrowed, and with annular cracks; having a fragrant odour and a very agreeable flavour.

Composition. - The chemical constituents of the root have not yet been fully investigated. A substance supposed to be a volatile acid has been separated by distillation with water.

Preparation.

B.P.

Dose.

Syrupus Hemidesmi (1 to 10 1/2 oz.)................................................

1-2 fl. dr.

Use. - Hemidesmus is supposed to have the same action as sarsaparilla (q.v.) and is used in rheumatism and syphilis. The syrup is of little use except for flavouring.