308 



CORN CROPS 



provement of varieties they are destined to become an 

 important crop west of the 98th meridian. The compara- 

 tive acreage and value of non-saccharine sorghums com- 

 pared with corn in Kansas and Oklahoma, as compiled in 

 Bulletin 203, Bureau of Plant Industry, United States 

 Department of Agriculture, is given above. 



236. Classification of non-saccharine sorghums. — 



Pith juicy : 



(Very juicy, sweet = Sorgo.) 



Juice scanty, subacid or somewhat sweet or dry in 

 certain varieties. 

 (1) Heads erei^t, cylindrical, spikelets oval, small, 

 3-4 mm. wide, 

 (a) Seeds white : 



Glumes greenish white, some darker. 



I. White Kafir. 

 Glumes black or nearlj'. 



II. BlackhuU Kafir. 

 (6) Seeds red : 



Glumes deep red to black. 



III. Red Kafir. 



Kafir 

 Group 



DCRRA 



Group 



(2) Heads pendent but sometime secret, ovate ; 

 spikelets broadly obovate, large, 4, 5-6 

 mm. wide. 



(a) Seeds white : 



Glumes greenish white, silky, seeds flat- 

 tened, awned. IV. White Durra. 



Glumes black, seeds smaller, less flattened, 

 rare. V. BlackhuU Durra. 



(b) Seeds j-ellowish to reddish brown : 

 Glumes short, -m-inkled, reddish to black, 



not silky ; seeds yellowish brown ; 

 florets awned. VI. YeUow Milo. 



Glumes as long as seeds, greenish white, 

 seeds reddish brown, not awned. 



VII. Brown Durra. 



