CHAPTER XVI 

 ARBORETUMS AND BOTANIC GARDENS 



THE most satisfactory and useful planting proj- 

 ect in the United States is the Arnold Arboretum at 

 Boston. It gathers its material from all temperate 

 regions. It issues bulletins regarding not only the 

 trees and shrubs of the United States and Canada 

 but also those that are available from different parts 

 of Europe and Asia. At the Arboretum one can 

 actually see and study the individual trees and shrubs 

 mentioned in the bulletins and in many cases study 

 their effects in groups or masses. If one can visit 

 the Arboretum at different seasons of the year, one 

 can observe the winter effects of branching, the 

 appearance of buds and leaves, the blossoms, the 

 summer foliage, the autumn coloring and the fruits 

 of hundreds of species of woody growth. 



While the development of the Arnold Arboretum 

 has been admirable, it is seen by only a small frac- 

 tion of those who should learn the facts which it can 



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