256 
Journal of Agricultural Research voi. xxin, no. 4 
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In Yucatan pop com, planted Dec. 3, 1918, up Dec. 10, matured Mar. 31, 1919: 
Of 16 plants showing Sclerospora between Dec. 19 and 24, 14 died between Dec. 28 and Jan. 10, 2 survived into February. 
Of 23 do Dec. 25 and 31, 19 do 4 do. 
Of 3 do Jan. 1 and 4, o do 3 do. 
