A College 
Textbook of 
Pharmaceutical Botany 
With Pharmaceutical and Medical 
Applications, especially adapted 
for the use of Students of Pharm- 
acy and Economic Botany and 
as a reference for Pharmacists, 
Chemists and Students in Struc- 
tural and Systematic Botany. 
By 
Heber W. Youngken, PH.M., PH.D., Sc.D. 
Professor of Botany and Pharm- 
acognosy in the Massachusetts 
College of Pharmacy. Member of 
the Committee of Revision of the 
Pharmacopoeia of the United 
States, Botanical Editor of the 
United States Dispensatory; Au- 
thor of “A Textbook of Pharm- 
acognosy.”” 
Sixth Edition 
Thoroughly Revised 
S Ricksecsi’s s Son. and Co., Inc. 
Philadelphia 
AL. 
MISSOURI! BOTANICAL - 
GARDEN LIBRARY o 
