GRAY'S 



SCHOOL AND FIELD BOOK 



BOTANY. 



CONSISTING or 



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

 GARDEN BOTANY," 



BODND IN ONE VOLUME. 



By ASA GRAY, 



KSasa FS0F£SSOB OP NATURAL HISTORT IN BiAVAXD UmVE&SXTT. 



NEW YORK: 

 IVISON, BLAKEMAN, TAYLOR, & COJIPANY 



138 & UO Obasd Stbset. 



1875. 



