34 LANDSCAPE GARDENING. 



factory grade, for the reason that the surface-water will not 

 readily pass away, while the rounded surface that might be 

 as well produced is much more natural and beautiful. If 

 graded to a curved line running from the base of the 

 building in this figure to the outer edge of the lot, much 

 more pleasing results would be obtained. 



The perfectly flat surface is scarcely ever found in nature 

 except on the surface of water or boggy lowlands, and is very 



FIG. 13. GRADING TO PLEASING OUTLINE. 



difficult to ornament and keep in perfect condition. The 

 terrace also in the middle of Fig. 12 is an unnatural 

 feature, and hard to keep in perfect condition. In Fig. 

 13 is shown a well-graded surface with flowing outline. 

 The effect of a level or flat surface is to give the im- 

 pression of limited extent, while the rounded surface, as 

 shown in Figs. 13 and 14, gives the impression of greater 

 extent. The last figure illustrates a steeper grade than is 

 shown by Fig. 12, but even with the same grade or slope 



