YEKBA BUENA 377 



having a characteristic odor and taste. Specific gravity is from 0.894 to 

 0.929. It is soluble in 2 volumes of 80 per cent, alcohol. 



PROPERTIES. Commercially "red" and "white" oil are distinguished. The 

 latter, however, is not obtained by simple rectification of the ordinary kind. 

 "White" thyme oil, offered at a lower price than the "red," is apt to contain 

 much turpentine oil. 



THYMOL. (See Ajowan, 389.) 



495. ORTHOSIPHON STAMINEUS Bentham. JAVA TEA. (Leaves.) Used 

 as a diuretic and in gravel. Dose of fl'ext. : 20 to 30 1^(1.3 to 2 mils). 



496. PYCNANTHEMUM MONTANUM Michaux. MOUNTAIN MINT. (Leaves.) 

 Stimulant, tonic, and carminative. Dose: 15 to 60 gr. (i to 4 Gm.). 



497. SATUREIA HORTENSIS Linne". SUMMER SAVORY. Habitat: Southern 

 Europe; cultivated in our gardens. (Leaves.) Stimulant, carminative, 

 and emmenagogue. Dose: I to 4 dr.' (4 to 15 Gm.). 



498. YERBA BUENA. The leaves of a California plant, Microme'ria dougla'sii 



Bentham. A grateful aromatic stimulant, tonic, and emmenagogue. Dose of 

 fl'ext.: y% to 2 fl. dr. (2 to 8 mils). 



499. OCIMUM BASILICUM Linne. SWEET BASIL. (Leaves.) Aromatic, stimu- 

 lant, and tonic. 



500. BETONICA. The leaves of Sta'chys beto'nica Bentham. Used in atonic 

 dyspepsia, rheumatism, hepatic diseases, etc. Dose: 15 to 60 gr. (i to 4 Gm.). 



501. LAVANDULA. GARDEN LAVENDER. The flowers of Lavan'dula ve'ra 



De Candolle. Calyx tubular, blue-gray, hairy, 5-toothed ; corolla violet-blue, 

 hairy, and glandular on the outside,, tubular and 2 -lipped; odor characteristic, 

 somewhat camphoraceous. Stimulant and carminative. Dose: 15 to 30 gr. 

 (i to 2 Gm.). 



501 a. OLEUM LAVANDULA FLORUM, U.S. OIL OF LAVENDER FLOWERS. A 

 volatile oil distilled from the fresh flowers of Lavan'dula officina'lis Chaix. 

 French oil contains linalool, geraniol, partly free and partly as ester, prin- 

 cipally as acetate, but in small part. Also as propionate, butyrate and 

 valerianate. English oil contains linaloyl acetate and free linalool, also limo- 

 nene and sesquiterpene, and cineol. 



U. S. P. IX gives quantitative test for esters. 



ACTION AND USES. Used as perfumery and as flavoring agent in certain 

 Pharmaceuticals. 



OFFICIAL PREPARATIONS. 



Spiritus Lavandulae (5 per cent, of the oil). 



Tinctura Lavandulae Composita (0.8 per cent, of the oil, with oil of rosemary. 

 Saigon cinnamon, cloves, nutmeg : and red saunders). Dose, 3onji( 2 -O mils). 



OIL OF SPIKE, used as an embrocation in rheumatic affections, is ob- 

 tained by distillation of the leaves, tops, etc., of Lavandula spica. 



502. COLLINSONIA. STONE ROOT. The rhizome of Collinso'nia canaden'sis 

 Linn6. Long, with short, knotty branches and numerous stem-scars; hard; 

 internal whitish; nearly inodorous; taste bitter and nauseous. Contains 

 resinous matter. Diaphoretic, diuretic, and irritant. 



SOLANACE^:. Nightshade Family 



Herbs or, rarely, shrubs, with rank-scented, often poisonous, foliage, and 

 colorless juice. Leaves alternate. Stamens five, equal, inserted on the corolla. 

 Fruit a capsule or berry. This order owes its poisonous qualities to the pres- 

 ence of alkaloids such as atropine. 



Synopsis of Drugs from the Solanacecs 



A. Roots. HYOSCYAMUS, 509. *Dulcamara, 514. 



BELLADONNA Tabacum, 511. F. Fruits. 





