SECTION III. 



SOUECES OP PICTUEESQUENESS IN TREES. 



jBSIDES these requisites of beauty in 

 a tree, there are other things of an 

 adventitious hind which often add 

 great beauty to it. And here I 

 cannot help lamenting the capri- 

 cious nature of picturesque ideas. 

 In many instances they run counter to 

 utility, and in nothing more than in the 

 adventitious beauties ascribed to tree?. 

 Many of these are derived from the injuries the 

 tree receives, or the diseases to which it is subject. 

 Mr. Lawson, a naturalist of the last age, thus 

 enumerates them. ' How many forests and 

 ■ woods,' says he, ' have we, wherein you shall 

 have, for one lively, thriving tree, four, nay some- 



