CAMPHOR. 



449 



bark the resin called Venice turpentine is obtained, 

 while a gum similar to that of arabic or Senegal 

 spontaneously exudes from other parts of the tree. 



Camphor, which is so much used for medical pur- 

 poses, is likewise extensively employed in the compo- 

 sition of varnishes, especially in that of copal. It is 

 the peculiar product of the root of a species of 

 laurel (Laurus camphora), a tree growing in China, 

 Japan, Borneo, Sumatra, and several parts of India. 



Camphor Laurus campfiora. 



2Q3 



