NUX VOMICA. 



245 



variable in size and quantity and some fatty oils. The 

 cells of the embr}^o are parenchymatic, have at times a 

 few spiral vessels and cell contents of aleurone grains and 

 fat. 



Fig. 70. — Section op Nux Vomica Seed. 



Showing*, the thick-walled cells of the seed; E, the elongated cells 

 beneath the long hairs; 5, sheath beneath hairs. 



Chemistry. — About equal amounts of strychnine and 

 brucine, 0.23 to 5.3 per cent. Loganin, tannic acid, 40 

 per cent. fat. Palmitin, caprin, and caprons. Butyric 

 acid, alkaloid in the endosperm. Not definitely known 



