AN INTRODUCTION TO 



HISTORICAL 

 PLANT GEOGRAPHY 



BY 



E. V. WULFF 



Curator of the Serbarium, Department of Geography of Cultivated 

 Plants, U.S.S.R. Institute of Plant Industry, Leningrad 



authorized translation ly ELIZABETH BRISiSENDEN 



Foreword ty ELMER D. MERRILL 



A-dnnnistrator of Botanical Collections, Harvard University 



1943 



WALTHAM, MASS., U.S.A. 



PuDiisnea oy tne Cnronica Jjotanica Company 



