BOTANY, 



WITH 



AGRICULTURAL APPLICATIONS 



BY 



JOHN N. MARTIN, PH. D. 



Professor in Botany at the Iowa State College of Agriculture 

 and Mechanic Arts 



SECOND EDITION REVISED 



TOTAL ISSUE EIGHT THOUSAND 





NEW YORK 



JOHN WILEY & SONS, INC. 



LONDON: CHAPMAN & HALL, LIMITED 

 1920 



