4io 



VALERIANE.E 



ACTION AND USES. Diuretic, and a tonic and sedative to the uterine 

 and ovarian nerve centers; used in threatened abortion. Dose: 

 30 to 60 gr. (2 to 4 Gm.). 



OFFICIAL PREPARATIONS. 



Extractum Viburni Prunifolii, Dose: 0.5 Gm. (8 gr.). 



Fluidextractum Viburni Prunifolii, 30 to 60 ttj> (2 to 4 mils). 



542. TRIOSTEUM. FEVER ROOT. BASTARD IPECAC. The root of Trios'teum 

 perfolia'tum Linne 1 , common in most parts of the United States. (See Con- 

 spectus.) Cathartic and emetic in large doses. Dose: 15 to 30 gr. (i to 2 

 Gm.). 



FIG. 237. Viburnum prunifolium Bark of root, cross-section. A. Cork. B. Group of stone 

 cells in cortical parenchyma. 



VALERIANE^E 



Herbs with opposite, exstipulate leaves. Flowers in panicled or head-like 

 cymes. Many of the species possess antispasmodic properties, due to the pres- 

 ence of a volatile oil, from which is developed valerianic acid. 



543. VALERIAN A, VALERIAN 



VALERIAN 

 The rhizome and roots of Valeria'na officina'lis Linne". 



BOTANICAL CHARACTERISTICS. Root perennial, tuberous. Leaves pinnate or 

 pinnately cut. Corolla roseate, funnel-form, 5-lobed; stamens 3. Fruit 

 a feathery akene. 



SOURCE. Europe, especially in Holland, Belgium, England, and Germany 

 as well as Japan. The Japanese root is said to be richer in volatile 

 oil than the Belgian. The fresh rhizomes and roots are preferred 



