PRACTICAL BOTANY 



STRUCTURAL AND SYSTEMATIC 



the lattee portion being 



An Analytical Key to the Wild Floweking Plants 



Trees, Shrubs, Okdinary Herbs, Sedges 



AND Grasses op the 



NORTHERN AND MIDDLE UNITED STATES 

 EAST OF THE MISSISSIPPI 



BY 



AUaUST KOEIILER M.D. 



Professor of Botany in, the College of J'ltarmac}/ of the CUy oflfem York, 



COPIOUSLY illustrated. 



NEW TORK 

 HENRY HOLT AND COMPANY 



1876 



vM, 



