PLATE 7 



I. — Racliis black and oozing honey-yellow bacterial slime which dries as pale 

 yellowish or whitish crusts. The awn at the left is also black in spots. Farmington, 

 Ark., 1917. No. 155. 



2, 3. — Same disease on upper part of culm showing as dark spots or stripes oozing 

 pale-yellow masses of bacteria. Farmington, Ark., 1917. No. 153. 



