508 POWDERED VEGETABLE DRUGS 



193. (Fig. 185.) STROPHANTUS. Strophantus. U. S. 

 Fl. ex. 30. Tinct. 30. 



Strophantussamen, G. 



The seeds (awns removed) or Strophantus hispidus D. C., and S. 

 Kombe 0., Apocynacese. 



Pale brown, somewhat oily. 



Heavy, disagreeable. 



Very bitter* 



Epidermal cells brown, elongated, outer and inner walls thin, 

 vertical walls thick, of which the longitudinal ones are cylindrically 

 thickened, as seen in transverse section. Simple, single-celled, thin- 

 walled, brown trichomes. Endosperm cells thin-walled, polygonal, 

 bearing oil, proteid granules, aggregate crystals and some compound 

 starch. 



Ash 5 per cent. 



Strophantus Kombe and other species and varieties of Strophantus 

 require further study. 



