The Work of Construction 17 



always used in the construction of a rock 

 garden in place of mortar. 



If the site is level, the next step is to 

 change all that first on paper. Unless 

 the lay of the land is all right at the out- 

 set, the configuration of the rock garden 

 must not depend wholly upon the upbuild- 

 ing; there must be some excavations, but 

 no depressions deep enough to catch and 

 hold water just where you will want to 

 walk. 



Aside from the path levels, building be- 

 gins with the rocks, not with the soil. 

 This is a highly important point. Place 

 the boulders first ; they are the big effects. 

 Aside from that, the heaviest work will 

 be out of the way. Then start in with 

 the outlining base rocks. These should 

 be placed with the largest surface to the 

 ground and should vary in size. It is 

 not essential that the lowest rocks should 



