MANUAL 



OF THE 



MEDICAL BOTANY OF NORTH AMERICA 



, 



LAURENCE JOHNSON, A.M., M.D., 



LECTURER ON MEDICAL BOTANY, MEDICAL DEPARTMENT OP THE UNIVERSITY OF THE CITY OF 1! 

 YORK : FELLOW OF THE NEW YORK ACADEMY OF MEDICINE, AND OF THE NEW YORK ACAD- 

 EMY OF SCIENCES : MEMBER OF THE COMMITTEE OF REVISION OF THE PHARMACOP(EIA 

 OF THE UNITED STATES, MEMBER OF THE TORREY BOTANICAL CLUB, ETC. 



NEW YORK 



WILLIAM WOOD & COMPANY 



56 & 58 LAFAYETTE PLACE 



1SS4 



