PHARMACEUTICAL 
BOTANY 
I 
BY 
HEBER. W. YOUNGKEN, Ph.G., A.M., M. S., Ph.D. 
HEAD OF THE DEPARTMENT OF BOTANY AND PHARMACOGNOSY IN THE PHILADELPHIA 
COLLEGE OF PHARMACY; MEMBER OF THE AMERICAN PHARMACEUTICAL 
ASSOCIATION, ACADEMY OF NATURAL SCIENCES OF PHILADEL- 
PHIA, BOTANICAL SOCIETY OF , AMERICA, BOTANICAL 
SOCIETY OF PENNSYLVANIA, AMERICAN ASSO- 
CIATION FOR THE ADVANCEMENT OF 
SCIENCE, ETC. 
SECOND EDITION, REVISED AND ENLARGED 
WITH 195 ILI nsTBATinN5 
Li 
PHILADELPHIA 
P. BLAKISTON’S SON & CO. 
1012 WALNUT STREET 
' 
3 H 1 — 
