INTRODUCTION. 



The law establishing- a department of forestry at this Station, 

 passed March 17, 1906, makes it the duty of the Station, in addition 

 to conducting- inquiries into the forest conditions of the state and 

 publishing the results of such inquiries, "to determine by experi- 

 ment and investigation the kinds of trees and shrubs best suited to 

 the various situations for windbreaks and shelter, for beautifying 

 grounds, and the best methods of planting and managing the same." 

 The present bulletin has been prepared in obedience to this section 

 of the law. 



