TURPENTINE. 



417 



the Pinus sylvestris, or Scotch fir. It is produced 

 largely in the pine forest in the south of France, in 

 Switzerland, in the Pyrenees, and in Germany ; it is 

 likewise obtained most abundantly in many of the 

 southern states of North America, where it forms an 

 important branch of commerce, and whence it is 

 imported into England. Several attempts have 

 been made to obtain it from our own fir-trees, but 

 hitherto without success. 



The age of the tree when first operated upon 



Scotch Fir vPt* fyhtstris. 



