SMITHSONIAN MISCELLANEOUS COLLECTIONS 



PART OF VOLUME 54 



Landmarks of Botanical History 



A Study of Certain Epochs in the Development of the 

 Science of Botany 



Part I. — Prior to 1562 a.d. 



BY 



Edward Lee Greene 



No. 1870 



CITY OF WASHINGTON 



PUBUSHED BY THE SMITHSONIAN INSTITUTION 



1909 



