A MANUAL 



STRUCTURAL BOTANY 



AN INTRODUCTORY TEXT-BOOK FOR STUDENTS 

 OF SCIENCE AND PHARMACY 



BY 



HENRY H. RUSBY, M.D. 



PROFESSOR OF MATERIA iMEDICA IN THE COLLEGE OF PHARMACY OF THE CITY OF NEW TOHK (COLUMBIA 



TJNIVERSITT) ; chairman of the scientific DIRECTORS OF THE NEW YORK BOTANICAL 



gardens; PRESIDENT OP THE TORREY BOTANICAL CLUB; PHARMACOGNOSIST 



OF THE UNITED STATES DEPARTMENT OF AGRICULTURE; MEMBER 



OF THE COMMITTEE FOR THE REVISION OF THE UNITED 



STATES PHARMACOPOEIA SINCE 1890 



WITH 599 ILLUSTRATIONS 



LEA & FEBIGER 



PHILADELPHIA AND NEW YORK 



