CITY FORESTRY AND SHADE TREES 163 
red, pine, white and scarlet oaks—white ash and tulip 
poplar are also desirable—and the choice depends upon 
the location, soil and particular planting problem to be 
solved. For a street of average width the city forester 
would use one type of tree with a given spacing while 
on the narrower street another kind would be needed 
to give the ideal appearance. The forester must know 
the habits of his trees in order to make the proper 
choice. 
Need of Public Sentiment.—Perhaps the most im- 
portant part of a city forester’s work is to arouse 
the enthusiasm of the citizens and secure their sup- 
port. In a government like ours where the laws are 
made by the people if a regulation is passed which 
is not popular it does little good because it rarely is 
enforced. So unless the majority of citizens are con- 
vinced that shade trees must be protected against 
telephone lines, advertising signs, etc., that old trees 
should be sprayed and watered, and new streets 
should be planted up, the best of laws will be of little 
value. Proper legislation must be enacted and en- 
forced. That he shall superintend the planting oper- 
ation goes without saying, because properly to prepare 
a hole for planting the city tree is a nice piece of work. 
From two to five cubic yards of fresh loam must be 
put in the hole since the compact soil of the city would 
soon choke the tree; the roots must be properly pruned 
to remove broken or diseased parts and the top must be 
cut back to balance the decreased root system, and 
finally a mulch must be placed around the base of the 
tree and a metal guard put in place to protect against 
enawing horses and passing vehicles. 
The moving of large trees may require his attention 
from time to time, for while as a rule the smaller the 
