SOILS. 53 



tlow much superior in quality is this 

 timber produced on mountains, to that pro- 

 duced on richer soil, and in more sheltered 

 situations ! In fine, as already said, except 

 o.n sandy, rocky, or gravelly soils, this tree 

 ought not to be planted. The many obser- 

 vations I have made in the Highlands con- 

 firm me in this opinion. 



The value of Fir-timber (and that reared 

 in the northern parts of the island, in soil and 

 situation as above, is inferior to none) is- 

 known to every mechanic; nor is there any 

 one at all acquainted with the arts, who does 

 not know, that from this tree is extracted 

 rosin, tar, &c. : articles which are so useful 

 for many, especially naval, purposes. 



THE WEYMOUTII PINE 



Will grow in many different soils and situ- 

 ations, but seems to affect most a deep sandy 

 loam. On chalky, gravelly, elevated grounds, 

 it is found to luxuriate. It will also thrive 

 in pretty strong clay, if lying on an open sub- 

 stratum. It is impatient of stagnant water, 

 nor will it flourish on a till. 



This is an elegant tree, and is worthy of a 



