C- 71 



GRAY'S * 



SCHOOL AND FIELD BOOK 



OP 



BOTANY. 



CONSISTING OP 



"LESSONS IN BOTANY," AND "FIELD, FOREST, AND 

 GARDEN BOTANY," 



BOUND IN ONE VOLUME. 



BY ASA GRAY, 



KSHER PROFESSOR OP NATURAL HISTORY IN HARVARD 



IVISON, BLAKEMAN, TAYLOR & CO., 

 NEW YORK AND CHICAGO. 



1881. 



