96 



THE SMALL GRAINS 



Europe or America. It is probable that the oldest culti- 

 vated forms were of this subspecies. The numerous pres- 

 ent varieties differ from each other in the formation of the 

 awn, presence or absence of the same, the number of ker- 



a be 



FIG. 30. Oat panicles: a, Victory; 6, Kherson; c, Russian White. 



nels in the spikelet, the form, size, and color of the kernel, 

 and the time of maturity. The representative varieties of 

 this subspecies are here given, classified, as in the case of 

 the wheats, according to Koernicke and Werner (Fig. 30) . 



