374 POWDERED VEGETABLE DRUGS 



113. (Fig. 114.) HYOSCYAMUS. Hyoscyamus. U. S. 



Leaves. 



Fl. ex. 60. Tinct. 60. 



Henbane, E. Bilsenkraut, G. Jusquiame noir, Fr. 



The leaves of the second year's growth of Hyoscyamus niger 

 L., Solanaceae. 



Dull grayish green. 



Narcotic, heavy, especially when moist. 



Bitterish, somewhat pungent. 



Leaf epidermis with stomata above and below; vertical walls 

 thin, wavy. Large, simple, many celled, thin-walled, more or less 

 collapsed trichomes. The glandular trichomes usually bear one secret- 

 ing cell. The simple trichomes are externally pitted and some of them 

 are branching. Typical spongy tissue. Prismatic crystals of calcium 

 oxalate quite numerous. 



The drug is usually quite dirty, with considerable sand but the 

 total ash should not exceed 23 per cent. 



Adulterated with leaves of allied species, and leaves of stramonium, 

 digitalis, belladonna and verbascum. 



