ARBORICULTURE 



1^ 





HACK BERRY {Celt is occidentalis). 



Published by permission of Prof. John M. Coulter, of the Department of Botany, University 

 of Chicago, being one of a large number of halftones engraved for him by 



Rogers £^ Wells 



Engravers and Printers 



521 Wabash Avenue 

 Chicago 



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