19U MEDICINAL AND POISONOUS PLANTS 



The chief active principle is aconitiiie (CasHisNOiJ which is 

 one of several poisonous alkaloids contained in the plant. 

 Medicinally, aconite is used as an external application to re- 



Fl'i. 177, II. — Nux Vomii'a. .1, tlowci-liiul. B, sainr, I'ut vertically. 

 (', floral rliagrani. D, fruit cut across. E. seed, entire. /•', sanii' lait 

 through embryo between seed-leavos. (Baillou.) 



lieve pain; but from wliat has ))een said it is plain tliat si'cat 

 caution .should be observed to jjrevent the introduction of a 



