REPORT 
OF THE 
Botanical Department. 
F. C. Stewart, Botanist. 
J. G. GROSSENBACHER, Associate Botanist. 
G. T. Frencu, Assistant Botanist. 
F. A. Sirrineg, Special Agent. 
TABLE OF CONTENTS. 
I. Potato spraying in 1908. 
If. A mycospherella wilt of melons. 
III. Crown rot, arsenical poisoning and winter injury. 
