Xll CONTENTS 



Present range, 40 ; Classification, 41 ; Common wheats, 

 42.; Subdivisions, 43; Subdivisions of common wheats 

 in the United States and Canada, 44 ; Subdivisions and 

 varieties in other countries, 45 ; Club or dwarf wheats, 

 46 ; Subdivisions and varieties of club wheats, 47 ; Pou- 

 lard wheats, 48 ; Subdivisions and varieties of the 

 poulard subspecies, 49 ; Durum wheats, 50 ; Adapta- 

 tion and uses, 51 ; Subdivisions and varieties of durum 

 wheats, 52 ; Polish wheat, 53 ; Subdivisions and varie- 

 ties of Polish wheats, 54 ; Spelt wheats, 55 ; Uses of 

 spelt, 56 ; Subdivisions and varieties of spelt, 57 ; Emmer 

 wheats, 58 ; Subdivisions and varieties of emmer, 59 ; 

 Einkorn, 60 ; Subdivisions and varieties of einkorn, 61 ; 

 Distribution of wheat in the United States and Canada, 

 62 ; Northeastern Spring wheat district, 63 ; Semi-hard 

 Winter wheat district, 64 ; Southern wheat district, 65 ; 

 Hard Spring wheat district, 66 ; Hard Winter wheat dis- 

 trict, 67 ; Southern Plains wheat district, 68 ; Durum 

 wheat district, 69 ; Western Intermountain wheat dis- 

 trict, 70 ; North Pacific wheat district, 71 ; South Pa- 

 cific wheat district, 72 ; Geographic groups of wheat, 

 73 ; Glutinous and starchy wheats, 74 ; Resisting wheats, 

 75 ; Earliness, yield, and fertility, 76. 



CHAPTER IV 



OATS 87-114 



Description, 77 ; Roots, 78 ; Culms, 79 ; Leaves, 80 ; 

 The panicle, 81 ; Spikelets, 82 ; Flowers, 83 ; Kernels, 

 84 ; The origin, 85 ; Present range, 86 ; Classification, 

 87 ; Common or spreading oats, 88 ; Oriental or side 

 oats, 89 ; Hulless or naked oats, 90 ; Red or Mediterra- 

 nean oats, 91 ; Hairy or sand oats, 92 ; Short oats, 93 ; 

 Abyssinian oats, 94 ; Distribution in North America, 

 95 ; Northeastern oat district, 96 ; Middle Eastern or 

 Yellow oat district, 97 ; Southern or Winter oat district, 

 98 ; Northern Plains or Side oat district, 99 ; Middle 

 Great Plains or Transition oat district, 100; Southern 

 Plains or Red oat district, 101 ; Western Intermoun- 



