Bui. 108, U. S. Dept. of Agriculture. 
Plate VII. 
Fig. 1.— Effect of Salicylic Aldehyde on Cowpeas in the Field. 
Cowpeas 
Untreated Salicylic aldehyde 
Fig. 2.— Yield of Cowpeas, Vine and Pod, on Check Plot b and on Salicylic 
Aldehyde Treated Plot. 
