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SYLVAN WINTJBE. 



which, gives so peculiar a feature to some other 

 trees. Taking four of the species we may indi- 

 cate the distinguishing characters. In the Black 



Poplar. 



Poplar {Populus nigra) the spray is greyish-brown, 

 stout, somewhat rough, and furrowed or ridged ; 

 the branching intermediate and irregular ; the buds 



