Part 12

DOSAGE: 0.2 Gm. or 3 grains (N.F.).

=Mangani Sulphas (Mangan. Sulph.), Manganese Sulphate, N.F.=--MnSO{4} (about 65%).

Pale rose-colored, translucent, odorless crystals, with a slightly bitter taste, slightly efflorescent in moist air. Freely soluble in water (1:1) and insoluble in alcohol.

ACTION AND USES: Without material advantage over other manganese salts.

DOSAGE: 0.2 Gm. or 3 grains (N.F.).

=Manna (Manna), Manna, U.S.P.=--A dried sap.

ACTION AND USES: Mild laxative; antiquated.

DOSAGE: 15 Gm. or 4 drachms (U.S.P.) as infusion.

_Syrupus Mannae (Syr. Mann.), Syrup of Manna, N.F._--Manna (12.5%) and alcohol in syrup. Absolute alcohol content about 6 per cent.

DOSAGE: 8 Cc. or 2 fluidrachms (N.F.).

=MASSAE, MASSES.=--Soft solid preparations of such consistency that they can readily be made into pills. For the various masses, see under the names of the respective drugs.

=Mastiche (Mastic.), Mastic, N.F.=--A resin.

Completely soluble in ether and almost completely soluble in alcohol.

ACTION AND USES: Carminative, without special advantage over cardamom or fennel.

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

=Matico (Matic.), Matico, N.F.= (Matico Leaves).

ACTION AND USES: Obsolete genito-urinary "stimulant," without advantage over buchu, etc.

DOSAGE: 4 Gm. or 1 drachm (N.F.).

_Fluidextractum Matico (Fldext. Matic.), Fluidextract of Matico, N.F._--Matico (100%). Absolute alcohol content about 60 per cent.

DOSAGE: 4 Cc. or 1 fluidrachm (N.F.).

=Matricaria (Matricar.), Matricaria, U.S.P.= (German Chamomile, Wild Chamomile).--Flower heads.

ACTION AND USES: Popularly used as a bitter and aromatic "tea" and poultice, any effects being due mostly to the hot water.

DOSAGE: 15 Gm. or 4 drachms (U.S.P.).

=Mel (Mel), Honey, U.S.P.=

ACTION AND USES: Demulcent.

_Mel Depuratum (Mel Depurat.), Clarified Honey, U.S.P._

_Mel Rosae (Mel Rosae), Honey of Rose, U.S.P._--Fluidextract of rose and clarified honey. Absolute alcohol content about 5 per cent.

USES: Flavoring vehicle; rarely used.

DOSAGE: 4 Cc. or 1 fluidrachm (U.S.P.).

=Melilotus (Melilot.), Melilot, N.F.= (Yellow Sweet Clover).--Leaves and flowering tops.

ACTION AND USES: Formerly used as a stimulant and antispasmodic and in the treatment of neuralgia especially associated with debility. Now seldom used; no scientific indications for its use.

=MELLITA, HONEYS.=--Sweet liquids having honey as a base. For the various honeys, see under the names of the respective principal ingredients. For Mel Rosae, see under =Mel=; for Mel Rosae et Sodii Boratis, see under =Sodii Boras=.

=*Mentha Piperita (Menth. Pip.), Peppermint, U.S.P.=--Leaves and flowering tops.

ACTION AND USES: Carminative and flavor, used chiefly in the form of the oil and spirit, which see under =Oleum Menthae Piperitae=.

DOSAGE: 4 Gm. or 1 drachm (U.S.P.).

=Mentha Viridis (Menth. Vir.), Spearmint, U.S.P.=--Leaves and flowering tops.

ACTION AND USES: Same as those of peppermint. See =Oleum Menthae Viridis=.

DOSAGE: 4 Gm. or 1 drachm (U.S.P.).

=*Menthol (Menthol), Menthol, U.S.P.=--Obtained from oil of peppermint or other mint oils.

Colorless crystals, with a strong peppermint odor and an aromatic taste. Slightly soluble in water; very soluble in alcohol, chloroform or petroleum benzin.

ACTION AND USES: Used locally as counterirritant and analgesic; sometimes internally as carminative.

DOSAGE: 0.06 Gm. or 1 grain.

_Inunctum Mentholis (Inunct. Menthol.), Menthol Inunction, N.F._--Menthol (5%) and hydrous wool fat.

_Inunctum Mentholis Compositum (Inunct. Menthol. Co.), Compound Menthol Inunction, N.F._--Menthol (5%), methyl salicylate (10%) and hydrous wool fat.

_Menthol Camphoratum (Menthol Camph.), Camphorated Menthol, N.F._ (Campho-Menthol, N.F. III, Camphor and Menthol).--Camphor (47.5%), menthol (47.5%) and alcohol.

_Nebula Mentholis (Nebul. Menthol.), Menthol Spray, N.F._--Menthol (2%) in light liquid petrolatum.

_Nebula Mentholis Composita (Nebul. Menthol. Co.), Compound Menthol Spray, N.F._--Menthol (1%), camphor (1%), methyl salicylate, eucalyptol and oil of cinnamon in light liquid petrolatum.

_Petroxolinum Mentholis (Petrox. Menthol.), Menthol Petroxolin, N.F._ (Menthol Petrox).--Menthol (17%) in liquid petroxolin.

=Menyanthes (Menyanth.), Menyanthes, N.F.= (Buckbean, Marsh Trefoil).--Leaves of _Menyanthes trifoliata_.

ACTION AND USES: Obsolete bitter; no special indications for its use.

DOSAGE: 1 Gm. or 15 grains (N.F.).

=*Methylis Salicylas (Methyl. Salicyl.), Methyl Salicylate, U.S.P.= (Oleum Gaultheriae, U.S.P. VIII, Oil of Wintergreen, Oleum Betulae, U.S.P. VIII, Oil of Sweet Birch, Oil of Teaberry).--Produced synthetically or obtained from wintergreen (oil of wintergreen) or from birch (oil of sweet birch).

Colorless, yellowish or reddish liquid, with a wintergreen odor and taste. Sparingly soluble in water and miscible with alcohol and glacial acetic acid.

ACTION AND USES: Chiefly used as flavor. In sufficient amounts, antirheumatic and antipyretic.

DOSAGE: 0.75 Cc. or 12 minims (U.S.P.). May be applied externally either pure or diluted (10%) in ointment. For absorption through the skin is best diluted with a fatty oil.

_Petroxolinum Methylis Salicylatis (Petrox. Methyl. Salicyl.), Methyl Salicylate Petroxolin, N.F._ (Methyl Salicylate Petrox).--Methyl salicylate (20%), in liquid petroxolin.

=Methylthioninae Chloridum (Methylthionin. Chlor.), Methylthionine Chloride, U.S.P.= (Methylthioninae Hydrochloridum, U.S.P. VIII, Methylene Blue).

Dark green powder or crystals with a bronze-like luster. Freely soluble in water and alcohol, forming a deep blue solution.

ACTION AND USES: Sometimes used as urinary antiseptic; also in the treatment of malaria and some neuralgic conditions. In the latter use, is of doubtful value.

DOSAGE: 0.15 Gm. or 2-1/2 grains (U.S.P.).

=Mezereum (Mezereum), Mezereum, U.S.P.= (Mezereon).--A bark.

ACTION AND USES: Antiquated antisyphilitic and vesicant.

_Fluidextractum Mezerei (Fldext. Mezer.), Fluidextract of Mezereum, N.F._--Mezereum (100%). Absolute alcohol content about 70 per cent.

=MISTURAE, MIXTURES.=--Liquid preparations containing insoluble or partly soluble medicinal substances suspended in them.

For the various official mixtures, see under the names of the respective principal ingredients. For Mistura Adstringens, see under =Cupri Sulphas=; for Mistura Camphorae Acida, Mistura Carminativa and Mistura Glycyrrhizae Composita, under =Opium=; for Mistura Ferri Composita, under =Ferri Carbonas=; for Mistura Camphorae Aromatica and Mistura Oleo-Balsamica, under =Oleum Lavandulae=; for Mistura Pectoralis Stokes, under =Ammonii Carbonas=.

=Morphina (Morphina), Morphine, U.S.P.=--An alkaloid obtained from opium.

Colorless or white, odorless crystals or powder. Very slightly soluble in water (1:3,340) and soluble in alcohol (1:210).

ACTION AND USES: Central analgesic, hypnotic and respiratory sedative and depressant; also constipative. Is only slightly depressant to the circulation. Eliminated mainly through the bowels. Should not be used to control cough if this is associated with marked expectoration. Its habit-forming power should be constantly remembered.

DOSAGE: 0.008 Gm. or 1/8 grain (U.S.P.).

=*Morphinae Hydrochloridum (Morph. Hydrochl.), Morphine Hydrochloride, U.S.P.= (Morphine Chloride).

White, odorless needles, masses or powder. Soluble in water (1:17.5) and in alcohol (1:52).

ACTION AND USES: See =Morphina=.

DOSAGE: 0.008 Gm. or 1/8 grain (U.S.P.).

_Syrupus Morphinae et Acaciae (Syr. Morph. et Acac.), Syrup of Morphine and Acacia, N.F._ (Syrupus Pectoralis, N.F. III, Jackson's Pectoral Syrup).--Morphine hydrochloride (0.055%) flavored with oil of sassafras in syrup of acacia.

DOSAGE: 4 Cc. or 1 fluidrachm (N.F.).

=*Morphinae Sulphas (Morph. Sulph.), Morphine Sulphate, U.S.P.=--

White, odorless crystals or masses. Soluble in water (1:15.2) and slightly soluble in alcohol (1:565).

ACTION AND USES: See =Morphina=.

DOSAGE: 0.008 Gm. or 1/8 grain (U.S.P.).

_Syrupus Pini Strobi Compositus cum Morphina (Syr. Pin. Strob. c. Morph.), Compound Syrup of White Pine with Morphine, N.F._ (Syrupus Pini Strobi Compositus, N.F. III).--Morphine sulphate (0.04%) in compound syrup of white pine. Absolute alcohol content about 20 per cent.

USES: Objectionable expectorant mixture containing morphine.

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

=Moschus (Mosch.), Musk, U.S.P.= (Tonquin Musk, Deer Musk).--A dried animal secretion.

ACTION AND USES: Antiquated analeptic.

DOSAGE: 0.25 Gm. or 4 grains (U.S.P.).

_Tinctura Moschi (Tr. Mosch.), Tincture of Musk, U.S.P._--Musk (5%) in diluted alcohol. Absolute alcohol content about 48 per cent.

DOSAGE: 4 Cc. or 1 fluidrachm (U.S.P.).

=MUCILAGINES, MUCILAGES.=--Aqueous solutions of gums or the mucilaginous principles of vegetable substances. For the various mucilages, see under the names of the respective drugs.

=MULLAE, MULLS.=--Ointments of high fusing points spread on soft muslin or "mull." For the various mulls, see under the names of the respective active constituents.

=Myrica (Myrica), Bayberry Bark, N.F.=--Bark of the root.

ACTION AND USES: Formerly recommended as digestive, nutritive and nervous stimulant. No scientific indications for its use.

DOSAGE: 0.5 Gm. or 8 grains (N.F.).

_Pulvis Myricae Compositus (Pulv. Myric. Co.), Compound Powder of Bayberry, N.F._ (Composition Powder).--Bayberry bark (60%), Jamaica ginger (30%), capsicum and clove.

USES: An obsolete carminative.

DOSAGE: 1 Gm. or 15 grains (N.F.).

=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").--N{2}O.

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

ACTION AND USES: For inhalation anesthesia.

=*Nux Vomica (Nux Vom.), Nux Vomica, U.S.P.= (Strychni Semen, P.I.).--Seeds yielding not less than 2.5 per cent. of alkaloids, chiefly strychnine and brucine.

ACTION AND USES: Used as bitter stomachic and tonic, depending on its strychnine.

DOSAGE: 0.06 Gm. or 1 grain (U.S.P.).

_*Extractum Nucis Vomicae (Ext. Nuc. Vom.), Extract of Nux Vomica, U.S.P._ (Powdered Extract of Nux Vomica, Nucis Vomicae Extractum P.I.).--Yields about 16 per cent. of alkaloids.

DOSAGE: 0.015 Gm. or 1/4 grain (U.S.P.).

_Fluidextractum Nucis Vomicae (Fldext. Nuc. Vom.), Fluidextract of Nux Vomica, U.S.P._--Nux vomica (100%) yielding about 2.5 per cent. of alkaloids. Absolute alcohol content about 60 per cent.

DOSAGE: 0.05 Cc. or 1 minim (U.S.P.).

_*Tinctura Nucis Vomicae (Tr. Nuc. Vom.), Tincture of Nux Vomica, U.S.P._ (Strychni Tinctura, P.I.).--Nux vomica (10%) yielding about 0.25 per cent. of alkaloids. Absolute alcohol content about 71 per cent.

DOSAGE: 0.5 Cc. or 8 minims (U.S.P.).

=OLEA INFUSA (OL. INF.), INFUSED OILS, N.F.=--Liquid preparation made by extracting drugs by fixed oils.

=OLEATA, OLEATES.=--Oleates are combinations of alkaloids or metallic oxids with oleic acid or with mixtures of oleic acid with a fixed oil. They have no real advantage over simpler ointments. For the official oleates see under the names of the respective drugs.

=OLEORESINAE, OLEORESINS.=--Oleoresins are thick liquid preparations made by extracting the drug with ether, alcohol or acetone. For the official oleoresins see under the names of the respective drugs.

=OLEOSACCHARA (OLEOSACCHARA), OIL-SUGARS, N.F.= (Elaeosacchara).--Mixtures of volatile oil (2%) with sugar in fine powder.

=Oleum Aethereum (Ol. Aether.), Ethereal Oil, N.F.=--A volatile liquid consisting of equal volumes of heavy oil of wine (chiefly ethyl esters of sulphuric acid) and ether. An indefinite and obsolete ingredient of the medieval "Hoffmann's anodyne."

=Oleum Amygdalae Amarae (Ol. Amygd. Amar.), Oil of Bitter Almond, U.S.P.= (Bitter Almond Oil).--A volatile oil yielding benzaldehyde (not less than 85%) and hydrocyanic acid (about 3%).

Slightly soluble in water; miscible with alcohol or ether.

ACTION AND USES: Flavoring agent, especially for emulsions. Also used as a "sedative," but probably without value.

DOSAGE: 0.03 Cc. or 1/2 minim (U.S.P.).

_Aqua Amygdalae Amarae (Aq. Amygd. Amar.), Bitter Almond Water, U.S.P._--A solution of oil of bitter almond in water.

DOSAGE: 4 Cc. or 1 fluidrachm (U.S.P.).

_Elixir Amygdalae Compositum (Elix. Amygd. Co.), Compound Elixir of Almond, N.F._--Oil of bitter almond, vanillin, orange flower water, syrup, water and alcohol. Absolute alcohol content about 5 per cent.

_Spiritus Amygdalae Amarae (Sp. Amygd. Amar.), Spirit of Bitter Almond, U.S.P._--Oil of bitter almond, alcohol and water. Absolute alcohol content about 76 per cent.

=Oleum Amygdalae Expressum (Ol. Amygd. Exp.), Expressed Oil of Almond, U.S.P.= (Oil of Sweet Almond).--A fixed oil; similar to olive oil.

ACTION AND USES: Emollient, nutritive and laxative.

=Oleum Anisi (Ol. Anisi), Oil of Anise, Oil of Star Anise, U.S.P.= (Anise Oil).--A volatile oil from anise and from star anise.

Very slightly soluble in water; very soluble in alcohol.

ACTION AND USES: Aromatic carminative and flavor.

DOSAGE: 0.2 Cc. or 3 minims (U.S.P.), on sugar.

_Aqua Anisi (Aq. Anisi), Anise Water, U.S.P._--A solution of oil of anise in water.

_Spiritus Anisi (Sp. Anisi), Spirit of Anise, U.S.P._--Oil of anise (10%) in alcohol. Absolute alcohol content about 85 per cent.

DOSAGE: 2 Cc. or 30 minims (U.S.P.).

=Oleum Aurantii (Ol. Aurant.), Oil of Orange, U.S.P.= (Oleum Aurantii Corticis, U.S.P. VIII, Orange Oil, Oil of Sweet Orange).--A volatile oil.

Nearly insoluble in water; soluble in alcohol and ether.

ACTION AND USES: Aromatic flavor.

_Spiritus Aurantii Compositus (Sp. Aurant. Co.), Compound Spirit of Orange, U.S.P._--Oils of orange, lemon, coriander and anise, in alcohol. Absolute alcohol content about 69 per cent.

=Oleum Aurantii Amari (Ol. Aurant. Amar.), Oil of Bitter Orange, N.F.=--A volatile oil.

Practically insoluble in water; soluble in alcohol (1:4).

ACTION AND USES: Flavoring agent.

_Elixir Aurantii Amari (Elix. Aurant. Amar.), Elixir of Bitter Orange, N.F._ (Replacing Elixir Curassao, N.F. III).--Oil of bitter orange, tincture of bitter orange peel, stronger orange flower water, in syrup, water and alcohol. Absolute alcohol content about 28 per cent.

=Oleum Aurantii Florum (Ol. Aurant. Flor.), Oil of Orange Flowers, N.F.= (Oil of Neroli).--A volatile oil.

Nearly insoluble in water; soluble in alcohol.

ACTION AND USES: Flavoring agent.

=Oleum Bergamottae (Ol. Bergam.), Oil of Bergamot, N.F.=--A volatile oil.

Practically insoluble in water; freely soluble in alcohol.

ACTION AND USES: Flavoring agent.

_Spiritus Odoratus (Sp. Odorat.), Perfumed Spirit, N.F._--Oils of bergamot, lemon, rosemary, lavender and orange flowers, acetic ether, water and alcohol. Absolute alcohol content about 80 per cent.

=Oleum Betulae Empyreumaticum Rectificatum (Ol. Bet. Empyr. Rect.), Rectified Oil of Birch Tar, N.F.= (Rectified Empyroligneous Oil of Birch, Oleum Rusci Rectificatum).--An oil obtained by the dry distillation of the bark and wood of white birch.

Insoluble in water; soluble in dehydrated alcohol, ether and chloroform.

ACTION AND USES: Similar to tar; employed locally as a stimulant and antiseptic in the treatment of psoriasis and eczema.

DOSAGE: 2 to 10 per cent. ointment.

=Oleum Cadinum (Ol. Cadin.), Oil of Cade, U.S.P.= (Cade Oil, Oil of Juniper Tar, Oleum Juniperi Empyreumaticum).--An empyreumatic oil obtained by the dry distillation of juniper wood.

Nearly insoluble in water; only partially soluble in alcohol.

ACTION AND USES: Epidermal stimulant in chronic inflammatory skin diseases, acting similarly to tar.

DOSAGE: 1 to 10 per cent. ointment.

_Petroxolinum Cadini (Petrox. Cadin.), Cade Petroxolin, N.F._ (Cade Petrox).--Oil of cade (25%) in liquid petroxolin.

=Oleum Cajuputi (Ol. Cajup.), Oil of Cajuput, U.S.P.= (Cajuput Oil, Oil of Cajuput).--A volatile oil.

Nearly insoluble in water; freely soluble in alcohol.

ACTION AND USES: Counterirritant.

=Oleum Cardamomi (Ol. Cardam.), Oil of Cardamom, N.F.=--A volatile oil.

Nearly insoluble in water; very soluble in alcohol.

ACTION AND USES: Aromatic flavoring agent.

_Elixir Cardamomi Compositum (Elix. Card. Co.), Compound Elixir of Cardamom, N.F._--Compound spirit of cardamom, alcohol, syrup and water. Absolute alcohol content about 9 per cent.

_Spiritus Cardamomi Compositus (Sp. Card. Co.), Compound Spirit of Cardamom, N.F._--Oil of cardamom, anethol, oils of orange, cinnamon, caraway and clove, in alcohol. Absolute alcohol content about 72 per cent.

USES: Flavoring agent.

=Oleum Cari (Ol. Cari), Oil of Caraway, U.S.P.= (Caraway Oil).--A volatile oil.

Nearly insoluble in water; freely soluble in alcohol.

ACTION AND USES: Aromatic carminative.

DOSAGE: 0.2 Cc. or 3 minims (U.S.P.).

=*Oleum Caryophylli (Ol. Caryoph.), Oil of Clove, U.S.P.= (Clove Oil, Oil of Cloves).--A volatile oil.

Nearly insoluble in water; freely soluble in alcohol.

ACTION AND USES: Externally, rubefacient and counterirritant; internally, carminative; to some extent a local anesthetic.

DOSAGE: 0.2 Cc. or 3 minims (U.S.P.).

=*Oleum Cassiae (Ol. Cass.), Oil of Cinnamon, U.S.P.= (Oleum Cinnamomi, U.S.P. VIII, Cassia Oil).--A volatile oil.

Nearly insoluble in water; freely soluble in alcohol.

ACTION AND USES: Aromatic flavor.

_*Aqua Cinnamomi (Aq. Cinnam.), Cinnamon Water, U.S.P._--A saturated solution of oil of cinnamon in water.

DOSAGE: 15 Cc. or 4 fluidrachms (U.S.P.).

_Spiritus Cinnamomi (Sp. Cinnam.), Spirit of Cinnamon, U.S.P._--Oil of cinnamon (10%) in alcohol. Absolute alcohol content about 85 per cent.

DOSAGE: 2 Cc. or 30 minims (U.S.P.).

=*Oleum Chenopodii (Ol. Chenopod.), Oil of Chenopodium, U.S.P.= (Oil of American Wormseed).--A volatile oil.

Nearly insoluble in water; freely soluble in alcohol.

ACTION AND USES: Anthelmintic, especially for roundworms and hookworms.

DOSAGE: 0.2 Cc. or 3 minims (U.S.P.). Subminimal doses repeated at intervals of several days become toxic.

=Oleum Coriandri (Ol. Coriand.), Oil of Coriander, U.S.P.= (Coriander Oil).

Nearly insoluble in water; freely soluble in alcohol.

ACTION AND USES: Carminative aromatic.

DOSAGE: 0.2 Cc. or 3 minims (U.S.P.).

=Oleum Cubebae (Ol. Cubeb.), Oil of Cubeb, U.S.P.= (Cubeb Oil).--A volatile oil.

Nearly insoluble in water; soluble in alcohol (1:18).

ACTION AND USES: Used internally as a stimulating antiseptic, expectorant and against subacute gonorrhea. Of doubtful value.

DOSAGE: 0.5 Cc. or 8 minims (U.S.P.).

=*Oleum Eucalypti (Ol. Eucalypt.), Oil of Eucalyptus, U.S.P.= (Eucalyptus Oil).--A volatile oil.

Nearly insoluble in water; freely soluble in alcohol.

ACTION AND USES: Largely used especially for inhalation in the form of vapor or oily sprays (about 10%) as antiseptic and deodorant, for subacute and chronic inflammations of the respiratory mucosae.

=Oleum Foeniculi (Ol. Foenic.), Oil of Fennel, U.S.P.= (Fennel Oil).--A volatile oil.

Nearly insoluble in water; soluble in alcohol.

ACTION AND USES: Aromatic carminative frequently employed with purgative medicines to prevent griping.

DOSAGE: 0.2 Cc. or 3 minims (U.S.P.).

_Aqua Foeniculi (Aq. Foenic.), Fennel Water, U.S.P._--A solution of oil of fennel in water.

DOSAGE: 15 Cc. or 4 fluidrachms (U.S.P.).

=Oleum Gossypii Seminis (Ol. Gossyp. Sem.), Cottonseed Oil, U.S.P.=--A fixed oil.

ACTION AND USES: Frequently employed in place of olive oil, in preparations for external use.

=Oleum Juniperi (Ol. Junip.), Oil of Juniper, U.S.P.= (Juniper Oil, Oil of Juniper Berries).--A volatile oil.

Nearly insoluble in water; soluble in alcohol.

ACTION AND USES: Irritant diuretic.

DOSAGE: 0.2 Cc. or 3 minims (U.S.P.); not given as such.

_Spiritus Juniperi (Sp. Junip.), Spirit of Juniper, U.S.P._--Oil of juniper (5%) in alcohol. Absolute alcohol content about 90 per cent.

DOSAGE: 2 Cc. or 30 minims (U.S.P.).

_Spiritus Juniperi Compositus (Sp. Junip. Co.), Compound Spirit of Juniper, U.S.P._--Oil of juniper (0.4%) and oils of caraway and fennel in alcohol and water. Absolute alcohol content about 66 per cent.

DOSAGE: 10 Cc. or 2-1/2 fluidrachms (U.S.P.)

=Oleum Lavandulae (Ol. Lavand.), Oil of Lavender, U.S.P.= (Oleum Lavandulae Florum U.S.P. VIII).--A volatile oil.

Nearly insoluble in water; soluble in alcohol.

ACTION AND USES: Aromatic and flavoring agent.

DOSAGE: 0.2 Cc. or 3 minims (U.S.P.).

_Acetum Aromaticum (Acet. Arom.), Aromatic Vinegar, N.F._--Acetic acid, alcohol and water, aromatized with oils of lavender, rosemary, juniper, peppermint, cinnamon, lemon and clove.

USES: Refreshing inhalant and counterirritant.

_Mistura Camphorae Aromatica (Mist. Camph. Arom.), Aromatic Camphor Mixture, N.F._ (Parrish's Camphor Mixture).--Camphor water (about 70%) in compound tincture of lavender and sugar. Absolute alcohol content about 17.5 per cent.

USES: Aromatic carminative.

DOSAGE: 8 Cc. or 2 fluidrachms (N.F.).

_Mistura Oleo-Balsamica (Mist. Ol.-Balsam.), Oleo-Balsamic Mixture, N.F._--Oil of lavender, eugenol, oils of thyme, cinnamon, lemon and nutmeg with balsam of Peru in alcohol. Absolute alcohol content about 90 per cent.

ACTION AND USES: Local stimulant.

_Spiritus Lavandulae (Sp. Lavand.), Spirit of Lavender, U.S.P._--Oil of lavender (5%) in alcohol. Absolute alcohol content about 90 per cent.

DOSAGE: 2 Cc. or 30 minims (U.S.P.).

_Tinctura Lavandulae Composita (Tr. Lavand. Co.), Compound Tincture of Lavender, U.S.P._ (Compound Spirit of Lavender).--Oil of lavender, oil of rosemary, Saigon cinnamon, clove, nutmeg, and red saunders in alcohol and water. Absolute alcohol content about 70 per cent.

USES: Aromatic flavor and rubefacient.

DOSAGE: 2 Cc. or 30 minims (U.S.P.)

=Oleum Limonis (Ol. Limon.), Oil of Lemon, U.S.P.= (Lemon Oil).--A volatile oil.

Nearly insoluble in water; soluble in alcohol.

ACTION AND USES: Flavoring agent

=*Oleum Lini (Ol. Lini), Linseed Oil, U.S.P.= (Oil of Flaxseed, Raw Linseed Oil).--A fixed oil.

ACTION AND USES: Internally, laxative; its disagreeable taste and odor have made it unpopular. Externally, protective emollient, especially as Linimentum Calcis (which see under Calx) in burns.

DOSAGE: 30 Cc. or 1 fluidounce (U.S.P.)

=*Oleum Menthae Piperitae (Ol. Menth. Pip.), Oil of Peppermint, U.S.P.= (Peppermint Oil).--A volatile oil.

Nearly insoluble in water; soluble in alcohol.

ACTION AND USES: Aromatic carminative and flavoring agent.

DOSAGE: 0.2 Cc. or 3 minims (U.S.P.).

_*Aqua Menthae Piperitae (Aq. Menth. Pip.), Peppermint Water, U.S.P._--A saturated solution of oil of peppermint in distilled water.

DOSAGE: 15 Cc. or 4 fluidrachms (U.S.P.)

_*Spiritus Menthae Piperitae (Sp. Menth. Pip.), Spirit of Peppermint, U.S.P._ (Essence of Peppermint).--Oil of peppermint (10%), colored with peppermint in alcohol. Absolute alcohol content about 85 per cent.

DOSAGE: 2 Cc. or 30 minims (U.S.P.).

_Trochisci Menthae Piperitae (Troch. Menth. Pip.), Troches of Peppermint, N.F._--Oil of peppermint, with sugar and mucilage of tragacanth.

DOSAGE: 1 troche (N.F.)