S4> 



INTRODUCTORY REMARKS. 



which is most congenial to their nature, and it does 

 not therefore appear that any very great advantage 

 can be gained by preparing ground for this purpose, 

 in the elaborate way above mentioned. In the 

 north here, we find no difficulty in raising all the 

 kinds of trees which are naturalized in Great Bri- 

 tain, till they are of a sufficient size to be trans- 

 ported to the moors, in land where the surface is not 

 more than nine or ten inches distant from a subsoil 

 of gravelly sand, and our plants are such as not to 

 be despised even in the English market, to which 

 no inconsiderable quantities of them are annually 

 exported. 



This freedom with the sentiments of other wri- 

 ters, proceeds not from any pleasure which the au- 

 thor has in criticising and finding fault, but from a 

 firm conviction, that what he blames is really errone- 

 ous, and of a pernicious tendency. He wishes not 

 to depreciate the merits of any of the popular works 

 that have of late years made their appearance on 

 the same subject, on which he now ventures to give 

 his opinion, as he is convinced that, on many points, 

 most of them may be consulted with advantage. 

 But he conceives it to be the duty of every one, who 

 undertakes to write on a practical subject, to point 



