80 



eral appearance (Figure 1) of the trees seemed to indicate that they had 

 been heavily pruned one or more seasons ago. They were greatly 

 branched in a manner suggestive of the excessive branching often seen 

 in the "witches' brooms" on the hackberry. 



Fig. 2. Short branches o( infested Norway maple, partially defoliated to 

 show the dwarfed eontlition of foliage and stems. 



At the time of observation a portion of the terminal branches bore 

 some foliage that was green but many of the leaves were small and 

 brown-edged, while others had become wholly brown in the affected 

 regions. A weak post-season growth of an inch or thereabout had 

 occurred in which the young tender foliage was expanding in an appar- 

 ently normal manner. This type of post-season growth was quite sim^ 



