—" 
Se a a 
i I ll el ee 
Vy 2s eee 
Ar Gea 2 eS 
ey 
SUDAN GRASS AND RELATED PLANTS. 13 
SORGHUM-JOHNSON GRASS HYBRIDS. 
Consideration of some of the natural and artificial hybrids of sor- 
cehum and Johnson grass indicates the wide possibilities in this com 
paratively untouched field. The first natural hybrids to be studied 
Fig. 9.—Typical panicle of chicken corn (Andropogon sorghum drummondii). Grown at the Arlington 
Experimental Farm, Va., 1914. 
