3The dried leaves of Piper angustifolium (Artanthe elon-ciata). Peru.

Characters. - From two to eight inches long, veined and tesselated on the upper surface, downy beneath. They may be confounded with digitalis leaves, but are distinguished by their marked reticulation in squares.

Composition. - Essential oil, artanthic acid, tannin, and resin.

Dose. - Of the powder, 30-60 gr.

Preparations

B.P.

Dose.

Infusum Maticae........................

1-4 fl. oz.

(1/2-oz. in 1/2-pint for 1/2-hour).

U.S.P.

Dose.

Extractum Matico Fluidum...

1/2-3 fl. dr.

Tinctura Matico ......................

1/2-3 fl. oz.

Action and Uses. - Matico is employed locally as a styptic to arrest haemorrhage from small wounds, such as leech-bites. It acts mechanically, much in the same way as a spider's web. It has been administered in cases of vesical catarrh and gonorrhoea, but is now not much used.