ACTION AND USES: Closely resembling those of atropine in its influence on the nerve endings but differing from the latter in having a sedative instead of a stimulating effect on the brain. Used as a somnifacient in motor excitement and mania; as a preliminary to anesthesia and in "twilight sleep," and locally as a mydriatic. Uncertain in its action, at times producing acute delirium. The tendency to depress the respiratory center must be remembered. DOSAGE: 0.3 Mg. or 1/200 grain (U.S.P.). =Scutellaria (Scutell.), Scutellaria, N.F.= (Skullcap).--Plant. ACTION AND USES: Claimed, though without reliable evidence, to be a tonic, nervine and antispasmodic, particularly useful in chorea and convulsions. DOSAGE: 1 Gm. or 15 grains (N.F.). _Fluidextractum Scutellariae (Fldext. Scutellar.), Fluidextract of Scutellaria, N.F._--Scutellaria (100%). Absolute alcohol content about 40 per cent. DOSAGE: 1 Cc. or 15 minims (N.F.). =Senecio (Senecio), Senecio, N.F.= (Life Root).--Plant deprived of its root. ACTION AND USES: Has been recommended, probably without warrant, as a tonic, diuretic, expectorant and diaphoretic. DOSAGE: 4 Gm. or 1 drachm (N.F.). _Fluidextractum Senecionis (Fldext. Senecion.), Fluidextract of Senecio, N.F._--Senecio (100%). Absolute alcohol content about 55 per cent. DOSAGE: 4 Cc. or 1 fluidrachm (N.F.) =Senega (Seneg.), Senega, U.S.P.= (Seneca Snakeroot, Senega Snakeroot). ACTION AND USES: Employed as nauseant expectorant (by virtue of the irritant saponin). DOSAGE: 1 Gm. or 15 grains (U.S.P.). _Fluidextractum Senegae (Fldext. Seneg.), Fluidextract of Senega, U.S.P._--Senega (100%). Absolute alcohol content about 55 per cent. DOSAGE: 1 Cc. or 15 minims (U.S.P.). _Syrupus Senegae (Syr. Seneg.), Syrup of Senega, U.S.P._--Fluidextract of senega (20%) in syrup. Absolute alcohol content about 10 per cent. DOSAGE: 4 Cc. or 1 fluidrachm (U.S.P.) =*Senna (Senn.), Senna, U.S.P.= (Alexandria Senna or India Senna). ACTION AND USES: Efficient cathartic of anthraquinone series. DOSAGE: 4 Gm. or 1 drachm (U.S.P.). _Confectio Sennae (Confect. Senn.), Confection of Senna, N.F._--Senna (10%), cassia fistula (16%), tamarind (10%), prune, fig, sugar, oil of coriander and water. USES: A pleasant but needlessly complex laxative. DOSAGE: 4 Gm. or 1 drachm (N.F.). _*Fluidextractum Sennae (Fldext. Senn.), Fluidextract of Senna, U.S.P._--Senna (100%). Absolute alcohol content about 25 per cent. DOSAGE: 2 Cc. or 30 minims (U.S.P.). _Infusum Sennae Compositum (Inf. Senn. Co.), Compound Infusion of Senna, U.S.P._--Senna (6%), magnesium sulphate (12%), manna (12%) and fennel in water. DOSAGE: 120 Cc. or 4 fluidounces (U.S.P.). _*Pulvis Glycyrrhizae Compositus (Pulv. Glycyrrh. Co.), Compound Powder of Glycyrrhiza, U.S.P._ (Compound Licorice Powder).--Senna (18%), washed sulphur (8%) with glycyrrhiza, oil of fennel and sugar. USES: A misnamed senna preparation.