THE VEGETABLE KINGDOM. 



415 



telligent hand of man, add to the wealth of nations. Thus 

 the French pine spreads its treasures over the once sterile 

 heaths of Bordeaux. From incisions made in it flows a 



192. Combustion of the Vapors of Bastard Dittany: Dictamnus Fraxinella (Persoon). 



turpentine, which the resin - gatherers, active as monkeys, 

 collect in numberless cups suspended to the trunks of the 

 trees. 1 



1 The resin is extracted when the maritime pine has reached the age of twenty 



