BOTANY, 



WITH 



AGRICULTURAL APPLICATIONS 



BY 



JOHN N. MARTIN, PH. D. 



Professor of Botany at the Iowa State College of Agriculture 

 and Mechanic Arts 



SECOND EDITION REVISED 



TOTAL ISSUE ELEVEN THOUSAND 



NEW YORK 



JOHN WILEY & SONS, INC. 



LONDON: CHAPMAN & HALL, LIMITED 

 1920 



