PART II 



General Results of the Plantation Experiments with 

 American Trees in Germany, Austria, Great Britain, 

 and Switzerland. 



A. EAST AMERICAN BROAD-LEAVED TREES. 



1. Acer dasycarpum, Ehrh., White Maple, Soft 



Maple, Silver Maple. 



Introduced into Europe in 1721, this tree has 

 not attained importance in the forest, but is liked 

 as an ornamental tree in parks. Its rapidly- 

 grown wood is coarse-grained, soft, and of small 

 value. 



2. Acer negundo, Linne, Boxelder, Ash-leaved 



Maple, Manitoba Maple. 



The forestal value of this tree species is no 

 greater than the former. A variety of the tree 

 with one or two-year-old shoots, covered with 

 white bloom, Acer negundo violaceum, also called 

 Acer californicuni, has been used for planting 



