A PRACTICAL COURSE IN 

 BOTANY 



WITH ESPECIAL REFERENCE TO ITS BEARINGS ON 

 AGRICULTURE, ECONOMICS, AND SANITATION 



BY 

 E. F. ANDREWS 



AUTHdK OF " BOTANV ALL THE VKAK ROUND" 



WITH EDITORIAL REVISION BY 



FRANCIS E. LLOYD 



MACDONALI) PROFESSOR OF BOTANV, MCGILL UNIVERSITY, 

 FORMKRLV OF ALABAMA HOI.VTECllNIC INSTITUTE 



NEW YORK •:■ CINCINNATI ■: CHICAGO 



AMERICAN BOOK COMPANY 



