PLANTING AND CARE OF TREES 



179 



outfit will supply sufficient pressure for the spraying of the tallest 

 trees. 'Where it is desirable to reach the top of tall trees without 



Fig. 96. Spraying- a large Elm Tree using a hand pump and two 



long leads of hose. A very satisfactory outfit where there is danger 



of disfiguring buildings and where a high-pressure outfit cannot be 

 used conveniently. 



