262 THE PRACTICAL PLANTER. 



canals, &c. and where fuel brings a high 

 price. But otherwise, it cannot be so ; in- 

 asmuch as the value of the land would be 

 manifestly enhanced by the double culture 

 of timber and underwood. See Chap. VII. 

 Sect. III. 



But there are certainly many thousand 

 acres of natural Oak woods in the kingdom, 

 particularly in the Highlands, which, by 

 their locality of situation in respect to water 

 carriage, might speedily be reduced into 

 SHIP TIMBER, without much lessening their 

 produce of bark. 



With respect to the art of extracting the 

 juices of resinous trees, which afford rosin, 

 tar, turpentine, &c. and which commodi- 

 ties are well known to trading individuals, 

 and the nation at large, by the turn of cash 

 and the balance against us ; considering their 

 value, it is surprising that farther endeavours 

 have not been made by speculative men, to 

 reduce to common practice an art so easy 

 and lucrative. 



As the process, however, is foreign to the 

 subject of this undertaking, which is rather 



