306 GUTTIFER.E 



THEOBROMINE AND ITS COMPOUNDS. THEOBROMINA, Cyl^N^. 3,7 

 dimethyl-xan thine, occurs also in Kola (Cola, 345), etc., also made 

 synthetically, action and uses same as caffeine. 



THEOBROMINE SODIUM SALICYLATE ("Diuretin"). A white powder, 

 odorless, soluble in water. Dose: 15 gr. (i Gm.). 



Theobromine Sodium Acetate (Agurin), has great solubility and is 

 well tolerated by the stomach. Dose: 15 gr. (i Gm.). 



Preparations of Theobromine. Obtained from an infusion of cacao, precipitat- 

 ing it with lead acetate, removing excess of lead by HjS, evaporating, and ex- 

 hausting the residue with boiling alcohol. The alkaloid separates on cooling. 

 Sparingly soluble in cold water,- alcohol, and ether. 



346 a. OLEUM THEOBROMATIS, U. S. CACAO BUTTER. A fixed oil 

 expressed from the seed. A yellowish-white, brittle, fatty solid, of 

 tallow-like consistence, melting at 30 to 33C. (86 to 9i.4F.), about 

 the temperature of the body; has a faint, chocolate-like taste and 

 agreeable odor. Should respond to the various important official 

 tests (see U.S. P.). Contains palmitin, stearin, laurin, olein (small 

 quantity), theobromine, and glycerides of formic, acetic, and butyric 

 acids. Employed largely in making suppositories. 



TERNSTRCEMIACE^;. Tea or CamelUa Family 



Trees or shrubs with simple, usually alternate, leaves, often fascicled at the 

 tops of the branches. 



347. THEA. TEA. The leaves of Camel'lia the'a Link. Habitat: Southern 

 Asia; cultivated. From 25 to 75 mm. (i to 3 in.) long, petiolate, acute at 

 both ends, irregularly serrate except at base, and with anastomosing veins 

 near the margin; bluish-green or blackish. The green color of tea is not in- 

 frequently intensified by a mixture of Prussian-blue and gypsum. Odor 

 peculiar, taste bitter and astringent. Contains volatile oil and an alkaloid, 

 theine, which is analogous to, if not identical with, caffeine. Much of the 

 caffeine of commerce is made from tea siftings. Astringent, tonic, stimulant, 

 and nervine; one of the most valuable stimulating and restorative agents. 



GUTTIFER^; 



Trees or shrubs with opposite or whorled coriaceous leaves; stamens indefinite; 

 stigmas sessile, radiant. Many species, like the gamboge, yield a yellow juice; 

 the seeds of others are oily. Among the edible fruits of the order is the mangos- 

 teen, regarded as the most delicious fruit in the world. 



348. CAMBOGIA. GAMBOGE 



GAMBOGE 

 A gum-resin from Garcin'ia hanbu'rii Hooker filius. 



BOTANICAL CHARACTERISTICS. The gamboge tree has dioecious flowers and a 

 foliage resembling that of laurel. Flowers yellow; male flowers in axillary 



