28 ROCK GARDENS 



ing I do not mean merely uneven ground, but 

 a spot with well-defined hills and hollows — the 

 bolder and more marked they are the better. 



This concludes a terse survey of the various 

 types of rock gardens, and some consideration 

 of the various advantages offered by each may 

 assist in deciding which of them shall be 

 adopted. As a rule, though, the choice is but 

 " Hobson's choice," for the site in most cases 

 decides the type that will have to be adopted. 



The advantages of all rock gardens belong- 

 ing to the natural section, quarry, rocky bank, 

 or knoll, are that the rock is there ready 

 placed by nature in masses far larger and 

 bolder than could ever artificially be put into 

 position, and that, for this reason, more striking 

 effects can be obtained, both as regards height 

 and boldness of outline. It may also be a very 

 cheap garden to make. But this is a very 

 uncertain quantity, and is difficult to ascertain 

 at first. It may ultimately turn out to be both 

 expensive and troublesome, because so much 

 depends on the formation and description of 

 the rock. One of the disadvantages is that it 

 is often very difficult, and, in fact, at times 



