LABORATORY AND FIELD 

 MANUAL OF BOTANY 



BY 



JOSEPH Y. BEEGEN, A.M. 



AUTHOK OF "ELEMBHTS OF BOTANY," "FOUNDATIONS OF BOTANY," 



" Pbimeb of Darwinism," etc. 



AND 



BEADLEY M. DAVIS, Ph.D. 



Recently Assistant Pbofessoe of Plant Morphology in the 

 University of Chicago 



GINN & COMPANY 



'■' BOSTON • NEW YORK • CHICAGO • LONDON 



j 0" CORkT-l-i 



I I ' A I; Y 



