ie 
U. S. DEPARTMENT OF AGRICULTURE “it. 
Pei : 
19 ‘i: 
FARMERS’ BULLETIN No. 188. 
WEEDS USED IN MEDICINE. 
ALICE HENKEL, 
Assistant in Drug and Medicinal Plant Investigations, Botanical Investigations 
and Experiments, Bureau of Plani Jndustry. 
WASHINGTON; 
GOVERNMENT PRINTING OFFICE, 
1917. 
