Myristica (Myrist.), Myristica, U.S.P. (Nutmeg).

Action and Uses: Aromatic and carminative.

*Myrrha (Myrrh.), Myrrh, U.S.P. (Gum Myrrh).—A gum resin.

Action and Uses: Protective and local stimulant to the mucous membranes. Internally, carminative.

Dosage: 0.5 Gm. or 8 grains (U.S.P.).

*Tinctura Myrrhae (Tr. Myrrh.), Tincture of Myrrh, U.S.P.—Myrrh (20%) in alcohol. Absolute alcohol content about 87 per cent.

Dosage: 1 Cc. or 15 minims (U.S.P.).

NEBULAE, SPRAYS.—Spray solutions, intended for the application of medicaments in solution to the throat and nose by means of suitable atomizers. For Nebula Aromatica, see under Petrolatum Liquidum; for the various other sprays, see under Eucalyptol, Menthol and Thymol.

Nitrogenii Monoxidum (Nitrogen. Monox.), Nitrogen Monoxide, U.S.P. (Nitrous Oxide, “Laughing Gas”).—N2O.

A colorless gas with a slight characteristic odor and a sweetish taste.