^81 



7i/o<^cUf PtcutU U Ti/mtcfi 



A Manual of Common Trees and Shrubs 

 in Winter in the Northeastern United States 

 and Southeastern Canada 



by 



EARL L. CORE 



Department of Biology 

 West Virginia University 



and 



NELLE P. AMMONS 



Department of Biology 

 West Virginia University 





BIOLCGiCAL 

 LABORATORY 



LIBRARY 



WO«DS HOl£, MASS. 

 W. H. 0. I. 



iM«0!!*» 



Pacific Grove, California 



n-» 



