384 SOLANACE.E 



acid, scopolamine, fixed oil, etc. Dose: i to 3 gr. (0.065 to 0.2 Gm.). A 

 tincture, extract, and fluidextract were official in the U.S. P. 1890. 



509. HYOSCYAMUS. HENBANE 



The dried leaves and flowering tops of Hyoscy'amus ni'ger Linn6, collected from 

 plants of second year's growth, yielding by official assay not less than 0.65 per cent, 

 of the alkaloids of Hyoscyamus. 



BOTANICAL CHARACTERISTICS. Clammy, pubescent, foetid, narcotic annuals or 

 biennials. Leaves clasping, sinuate-toothed, and angled. Flowers sessile, 

 in one-sided, sessile spikes in the axils of the leaves; calyx urn -shaped; 

 corolla dull yellow, reticulated with purple veins. Fruit a 2-celled capsule. 



FIG. 221. Hyoscyamus niger Flowering branch. 



SOURCE. Europe and Asia; from biennial plants growing wild or culti- 

 vated in Britain, when about two-thirds of the flowers are expanded. 

 The plant' is found in the northeastern section of the United States 

 in wet grounds, growing in great abundance about Detroit and in 

 other parts of Michigan. 



DESCRIPTION OF DRUG. The fresh leaf is from 2 to 10 inches long, i 

 to 4 inches broad, ovate to ovate-oblong in shape. On each side 

 3 to 5 coarse, sinuate teeth or lobes, which are rather acute and ob- 

 long or triangular. On drying, the leaves shrivel and crumple up 



