_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.).