The dried leaflets of Pilocarpus pemiatifolius.

Characters. - About four inches (ten centimetres) long, short-stalkad, oval or ovate-oblong, entire and slightly revolute at the margin, obtuse and emarginate, unequal at the base; coriaceous pellucid-punctate, mostly smooth; smell, when bruised, slightly aromatic; taste, somewhat bitter and aromatic at first, but subsequently pungent and increasing the flow of saliva.

Composition. - The leaves contain a volatile oil and two alkaloids, pilocarpine and jaborine.

Preparation

B.P.

Dose.

Extractum Jaborandi.....................................................................

2-10 grs.

Infusum „ (1 in 20 for 1/2-hour) ............................................

1-2 fl. oz.

Pilocarpinae Nitras........................................................................

1/20-1/2 gr.

Tinctura Jaborandi.........................................................................

1/2 fl. dr.

U.S.P.

Extractum Pilocarpi Fluidum..........................................................

5-60 min.