Dotiiiii} for §,m\^ Itoplc iiu)) Common Stljook 



HOW PLANTS GROW, 



A SIMPLE INTKODUCTION TO STRUCTURAL BOTANY. 



WITH 



A POPULAH FLORA, 



OE AN ARRANGEMENT AND DESCRIPTION OE COMMON PLANTS. 



BOTH WILD AND CULTIVATED. 



ILLUSTRATED BY 500 WOOD ENGRAVINGS. 



By ASA GRAY, M.D., 



HSHEB PBOFESSOa OF NATUEAI. niSTORY IX HAEVARD UNITEIISITT. 



NEW YORK : 



IVISON, PHINNEY, BLAKEMAN & CO., 47 & 49 GREENE ST. 

 CHICAGO: S C. GRIGGS & CO., 39 & 11 LAKE ST. 



"• 18 6 7. 



