MARRUBlUM 375 



ACTION AND USES. Oil of pennyroyal possesses stimulant, carminative, and 

 emmenagogue properties. 



The dose is from 2 to 10 minims (o.io to 0.60 mil). 



476. MARRUBlUM. HOREHOUND U.S.P. VIII 



The dried leaves and flowering tops of Marru'bium vulga're Linne 1 . 



DESCRIPTION. Stem white, tomentose; leaves roundish-ovate, about I inch (25 

 mm.) long, obtuse, crenate, downy; flowers whitish, aromatic, and bitter; 

 odor distinct and agreeable; taste aromatic and bitter. 



CONSTITUENTS. Volatile oil in minute quantity, marrubiin, crystalline prisms 

 soluble in hot water and ethereal solvents, insoluble in benzene. 



Preparation of Marrubiin. Treat the infusion with charcoal; exhaust latter 

 with Alcohol, which dissolves marrubiin and tannin; precipitate tannin with 

 lead oxide; exhaust precipitate with alcohol. This leaves behind insoluble tan- 

 nate of lead and dissolves the bitter principle. 



ACTION AND USES. A bitter tonic, laxative when given in large doses; employed 

 in catarrh and chronic affections of the lungs attended by copious expectora- 

 tion. Dose: 15 to 30 gr. (i to 2 Gm.), in infusion or decoction. 



477. MELISSA. BALM. The leaves and tops of Melis'sa officina'lis Linne". 

 Official U.S.P. 1890. Margin of leaves crenate, serrate, base rounded or 

 rather heart-shaped, somewhat hairy; flowers in about four-flowered cy mules, 

 whitish or purplish; aromatic, astringent, and bitterish. Constituents: 

 Volatile oil about o.i per cent., containing citral and citronellal. Carmina- 

 tive, stimulant, diaphoretic. Dose: 15 to 60 gr. (i to 4 Gm.)', in infusion or 

 decoction. 



478. SCUTELLARIA, N.F. SKULLCAP 



The dried plant of Scutella'ria lateriflo'ra Linnet 



DESCRIPTION. Leaves 2 inches (50 mm.) long, somewhat ovate, serrate; stem 

 smooth and branched; corolla pale blue; odor slight, taste bitterish. The 

 other species of Scutellaria are sometimes collected as 5. integriafolia, S. 

 pilosa, and 5. galericulata. 



CONSTITUENTS. A bitter crystalline glucoside, trace of volatile oil, tannin. 



ACTION AND USES. Tonic and antispasmodic. Dose: 30 to 60 gr. (2 to 4 Gm.), 

 in infusion or fl'ext. 



Fluidextractum Scutellariae, Dose: 30 to 6oTrjj (2 to 4 mils). 



479. ORIGANUM. WILD MARJORAM. The herb of Ori'ganum vulga're Linn6, 

 formerly used in making the Vinum Aromaticum, U.S.P. 1880. 



479 a. OLEUM ORIGANI. OIL OF ORIGANUM is a favorite among some prac- 

 titioners as an ingredient in various liniments. 



480. CUNILA. DITTANY. The herb of Cunil'a marian'a Linne'. Carmina- 

 tive and sudorific. Dose: 15 to 60 gr. (i to 4 Gm.). 



481. GLECHOMA. GROUND IVY. The herb of Glecho'ma hedera'cea Linne". 

 Pectoral, tonic, and diuretic. Dose: 30 to 60 gr. (2 to 4 Gm.). 



482. LYCOPUS. BUGLE. The herb of Ly'copus virgin'icus LinnS, and of 

 L. sinuatus Elliott. Astringent, sedative. Dose: 8 to 30 gr. (0.5 to 2 Gm.). 



483. MAJORANA. SWEET MARJORAM. The herb of Ori'ganum majora'na. 

 Carminative, stimulant, and emmenagogue. Dose: 15 to 60 gr. (i to 4 Gm.). 



484. SERPYLLUM. WILD THYME. The herb of Thy'mus serpyl'lum. Car- 

 minative, stimulant, tonic, and emmenagogue. Dose: 15 to 60 gr. (i to 4 

 Gm.). 



