XX CONTENTS 



CHAPTER XVII.— MAIZE. 



I. PRODUCTION AND MARKETING. 



PAGE 



Maize Crop of the World 268 



Maize in the United States, p. 269 ; Maize surplus 

 States, p. 269 ; Center of maize production, p. 270 ; 

 Production per population, p. 270 ; Yield per acre, 

 p. 271 ; Export of maize, p. 271 ; Marketing, p. 

 272 ; Commercial grades, p. 273 ; Grade uniform- 

 ity, p. 274. 



II. HISTORY. 



Nativity 274 



Value to colonists, p. 275 ; Introduction into Eastern 

 continent, p. 275. 



Practicums 276 



Description of maize plant, p. 276 ; The characters 

 of the grain, p. 276 ; The characters of the ear, p. 

 277; Score card for dent maize, p. 278; Deter- 

 mination of commercial grades of maize, p. 279. 

 Collateral Reading 279 



CHAPTER XVIII.— OATS. 



I. STRUCTURE. 



Relationships • 280 



The plant, p. 280; Inflorescence, p. 281 ; Grain, p. 

 282; Relation of hull to kernel, p. 282; Weight 

 per bushel, p. 282. 



II. COMPOSITION. 



Composition v • 284 



Germination •• 285 



