32 



Landscape Gardening 



stones and stumps or the roots of large growing trees, much 

 hand labor must be resorted to, spading and digging up the 

 soil about the rocks, filling in with good soil where the 

 surface-soil is poor and shallow, and rounding and smooth- 

 ing up to the required grade. If the roots of living trees 



FIG. ii. A "Well" about Tree with Roots Deeply Covered. 



are near the surface, deep working must be avoided, but 

 where feasible a covering of six to eight inches of good soil 

 over these roots will often prove the cheapest way of making 

 a good surface for the lawn. Deeper covering than this 

 must be avoided, as it often results in the death of the 



FIG. 12. Illustrates Covering the Roots on Only One Side. 



trees. If it becomes necessary to cover deeper than the 

 above, a "well" should be made about the trunk, as in 

 Fig. n, until the roots have had time to work to the sur- 

 face. This well may be from 4 to 8 feet in diameter, accord- 

 ing to the size of the tree and depth of covering. After 



