A savage shooting poisoned Arrows (p. 139). 



OHAPTEE VIII. 



MILKY SECRETIONS. 



milk-trees which we have described in the 

 *- first pages of this book, are not the only ones 

 which are remarkable for an abundance of milky sap. 

 Others also, serving purposes of another nature or 

 even of pernicious and fatal character, deserve to be 

 classed among the vegetables worthy of our attention. 

 The families of plants which are most remarkable for 

 their abundant sap are the Euphorbiacece, the Apo- 

 cynece and the Urticece differing from each other 

 in their anatomical structure. They have in their 

 bark and sometimes in the pith of their sterns, a 

 number of long tubes, more or less inosculated and 

 flexible, which are so much like the veins of animals 



