56 THE SMALL GRAINS 



(TRITICUM DURUM ^GYPTIACUM, KCKE.) 



15. Red chaff, red awns, red kernels. 



Hard Winter Kathia Velvet Chaff. 



(TRITICUM DURUM NILOTICUM, KCKE.) 



16. Red chaff, black awns, red kernels. 



Hard Winter Bangasia, Red Chaff. 



(TRITICUM DURUM TAGANROGENSE, DESV.) 



17. Blue-black chaff, white kernels. 



Hard Spring Carmen Candeal, Mazzochio, Sicilian 

 Black. 



53. Polish wheat (Triticum polonicum, Linn.). 

 Polish wheat is considered by many writers to be a distinct 

 species. Though there are several varieties, apparently 

 only one variety, White Polish, is very widely known. 

 The plant is usually rather tall, with culms glabrous and 

 more or less pithy within. It does not stool extensively. 

 The spikes are extremely large and loosely formed, and 

 before ripening are bluish green in color. A special pecu- 

 liarity of this species is the rather long, narrow glumes, 

 papery in structure, and standing out slightly from the 

 spike, instead of being rigid and closely applied to the 

 spikelets, as in other wheats. All varieties are awned. 

 The kernels are of great size when normal, proportionally 

 quite long, yellowish white in color, and very hard 

 (Fig. 17). The name Polish wheat is universally applied 

 to this species, though for what reason is not clear. There 

 is no evidence at all that it originated in Poland, and in 

 fact it has been very little grown in that region. It is 

 more probable that its native home is some portion of the 



