TEEES IN CLUMPS. 249 



, marked, as the eye, probably, has a distinct view 

 of both. But, if it be seen only on the top of a 

 hill, or along the distant horizon (as in these situa- 

 tions the base is commonly lost in the varieties of 

 the ground) a variation in the line -which forms 

 the summit will be sufficient. 



As a large tract of wood requires a few large 

 groups to connect it gently with thfi plain ; so 

 these large groups themselves require the same 

 service from a single tree, or a few trees, accord- 

 ing to their size. 



These observations respect chiefly the vast 

 scenes of Nature, which are but little under the 

 control of art. "While they assist us, however, in 

 judging of the natural scene, they are, in many 

 respects, applicable to the embellished one. To 

 the painter's use they are most adapted, whose 

 business it is to introduce his trees in the happiest 

 manner, whether he spread them over his canvas 

 in vast woods, or break them into smaller or 

 larger combinations. 



Q 2 



