he fays, heave the ground upwards, in many 

 places, into lofty mounts ; and in other parts, 

 where the earth does not follow them, the 

 bare roots rife as high as the lower branches $ 

 and twitting round form in many places, portals 

 fo wide, that a man and horfe may ride upright 

 through them*. This indeed is fomewhat 

 higher than picliurefque beauty requires ; it 

 borders rather on the fantaftic. In general 

 however, the higher the roots are, the more 

 piclurefque they appear. 



To the adventitious beauties of trees, we may 

 add their fufceptibility of motion , which is ca- 

 pable at leaft of being a conliderable fourcc 

 of beauty. The waving heads of fome, and the 

 undulation of others, give a continual variety 

 to their forms. In nature the motion of trees 

 is certainly a circumftance of great beauty. 

 Spakefpear formerly made the obfervation : 



Things in motion fooner catch the eye, 



Than what ftirs not 



* Nat. hift. Book xvi. chap. a. 



C 3 To 



