REPORT 
OF THE 
Botanical Department. 
F. C. Stewart, Botanist. 
H. J. Eustace, Assistant Botanist. 
G. T. Frencu, Assistant Botanist. 
J. G. GROSSENBACHER, Assistant Botanist. 
F. A. SIrRRINE, Special Agent. 
TABLE OF CONTENTS. 
I. Potato spraying experiments in 1906. 
II. Dodder in alfalfa seed. 
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