[Vol. 9, 1922] 



396 ANNALS OF THE MISSOURI BOTANICAL GARDEN 



Explanation of Plate 



PLATE 26 



Fig. 1. Pot on the left — dead oat plants 4 days after inoculation with the 

 foxtail organism; on the right — check plants of the same age sprayed with 

 sterile water. 



Fig. 2. On the right — badly diseased barley seedlings 4 days after inoculation; 

 on the left — barley plants of the same age sprayed with sterile water. 



