ANNUAL FORAGE GRASSES 127 



Pith juicy 



Juice abundant and very sweet Sorgo 



Juice scanty, slightly sweet to subacid 



Panicles cylindric; peduncles erect; spikelets 3 to 4 



mm. wide; lemmas awnless Kafir. 



Panicles ovate; peduncles mostly inclined, often 

 recurved; spikelets 4, 5 or 6 mm. wide, lemmas 



awned Milo. 



Pith dry 



Panicle lax, 25 to 70 cm. long 



Rachis less than 1/5 as long as the panicle; panicle 

 umbelliform, the branches greatly elongate 



Broom-corn. 

 Rachis more than 2/3 as long as the panicle 



Panicle conic, the branches strongly drooping 



Shallu. 



Panicle oval or obovate, the branches spread- 

 ing Kowliang. 



Panicle compact, 10 to 25 cm. long 



Spikelets broadly obovate, 2\ to 3^ mm. wide 



Kowliang. 

 Spikelets broadly obovate, 4! to 6 mm. wide 



Glumes grayish or greenish, not wrinkled, 

 densely pubescent; seeds strongly flattened 



Durra. 



Glumes deep brown or black, transversely 

 wrinkled; thinly pubescent; seeds slightly 

 flattened Milo. 



The sorghums with sweet juice are known as sugar or 

 saccharine sorghums, or more recently as sorgo. They 

 are used for the production of syrup and for forage. 

 Two well-known varieties are Amber and Orange. In 

 the southern part of the Great Plains region, sorgo is 

 often known as cane. For forage, sorgo is sown or 

 planted thickly in order to produce numerous slender 

 stems that can be cut with a mowing machine. 



The sorghums with dry stems or with somewhat juicy 



