A colorless liquid, having a strong, characteristic odor and an extremely unpleasant taste, and producing first a burning and then a cooling sensation in the mouth. Soluble in water (1:8), and miscible with alcohol or chloroform.

Action and Uses: Prompt and fairly active hypnotic and sedative devoid of serious side-effects.

Dosage: 2 Cc. or 30 minims (U.S.P.). Best administered with cracked ice or ice-cold liquids.

Pareira (Pareira), Pareira, N.F. (Pareira Brava).—Roots.

Action and Uses: Obsolete bitter tonic.

Dosage: 2 Gm. or 30 grains (N.F.).

Fluidextractum Pareirae (Fldext. Pareir.), Fluidextract of Pareira, N.F.—Pareira (100%). Absolute alcohol content about 40 per cent.

Dosage: 2 Cc. or 30 minims (N.F.).

Passiflora (Passiflor.), Passion Flower, N.F. (Passion Vine).—Dried herbage.

Action and Uses: Exploited by manufacturers of proprietary remedies for the treatment of insomnia, but probably inert.