562 P. L. & R. 
l ^ 'R. I^y Ti s^tioi 
. * O T V" mZ y> 
,- FEB 2 6 1930 i: 
0, 3. Scpirtmmt sf A|lic»ltiin.. 
^•S.Dept of Agriculture, 
Bureau of Plant Industry, 
Washington,D.C . 
