A 



IF IL (D IB^ 



OF THE 



NORTHERN AND MIDDLE SECTIONS 



05 THE 



OB, 



A SYSTEMATIC ARRANGEMENT AND i>SSCRIPTION 

 QV 



ALL THE PLANTS HITHERTO DISCOVERED 



IV TUB 



UNITED STATES NORTH OF VIRGINIA. 



BY JOHN TORREY, M. D. 



Ereiident of the Lyceum of Natural History of New- York ; Member of the New- York 



literary and Philosophical Society ; of the Academy ot Natural Sciences of 



rhiladeiphia ; of the Physiographical Society of Lund, Sweden ; of the 



%Vemerian Natural History Society, Edinburgh, ic. 



VOLUME I. 



M'EW-YORK: 



PRINTED AND SOLD BY T. AND J. SWOIIDS, 



Na yj I'earl-strett. 



1824. 



