Thuja Occidentalis

Arbor Vitæ. N. America. N. 0. Conifera.

The small aromatic branches of the white cedar. Irritating to the skin, like savine.

Therapeutics

Applied topically, has cured ulcers, syphilitic growths and warts. The distilled oil is used, externally, in a saturated tincture; or compresses are dipped in the tincture. The fluid extract is a febrifuge, 30 drops night and morning; it is also an emmeno-gogue.

Thymol. Methyl-Propyl-Phenol. Thymic Acid. C10H14 O or C6 H3 (0 H3) (C3H7) (OH)

Large colourless transparent crystals. An aromatic and antiseptic stearoptene or solid volatile oil, from oil of thyme, Ajowan fruit, and other sources. Soluble in alcohol. Ointment, 10 to 20 grains to 1 oz. of fossiline or vaseline. Officinal in the British, German and U. S. A. Pharmacopoeias.

Dose, 1 or 2 grains in pill; in tuberculosis, etc.

Tribromophenol. C6 H2 Br OH

White crystals, soluble in alcohol. A strong antiseptic, especially for intestines. Internal dose, 1 to 4 grains.

Trichlorphenol

Phenol with 3 atoms of chlorine taking the place of 3 atoms of hydrogen. "White crystals, with tar-like odour and hot taste; soluble in alcohol. A 2 % solution is powerfully antiseptic.

Trimethylamine. N (C H3)3

From Herring-brine.

Usually a solution of 20 % of this compound ammonia in water. Dose, 1/4 to 1 drachm every few hours. The hydrochlorate is also used. Valuable in acute rheumatism, as it lowers the pulse as well as the temperature. Isomeric with Propylamine.

Triticum Repens

Couch Grass. Indigenous. N. 0. Gramineæ. (French "Chiendent:')

Underground stems. In irritation of the bladder, used in infusion as Pareira brava. Diluent and demulcent. Dose of fluid extract, 1 to 4 drachms. Decoction (2 ozs. to pint) dose 2 to 4 ozs.

Turnera Aphrodisiaca

(See Damiana.)

Turpentine Chian

From Pistacia Terebinthus. N. 0. Anacardiaceæ.

Pale yellowish brown; soft yet brittle, but not bitter. Supposed of value in cancer. Dose, 6 grains in 2 pills every six hours.