CONTENTS 



XV 



CHAPTEE XIII 



The Sorghums — Andropogon sorghum 



The Sorghums in General, 231 ; Saccharine or Sweet Sor- 

 ghums, 234; Kaflr, 239; Milo, 240; Broom Com, 244; 

 Laboratory Exercises, 245 ; Literature, 246. 



PAGES 



231-247 



CHAPTER XIV 

 Cotton — Stkucttjre and Genekal Characteristics . 248-266 



Laboratory Exercises, 265 ; literature, 266. 



« 



CHAPTER XV 

 Cotton — Composition and the Principal Uses . . 267-273 

 Laboratory Exercises, 273 ; Literature, 273. 



CHAPTER XVI 



Cotton — The Principal Species 274-281 



Laboratory Exercises, 281 ; Literature, 281. 



CHAPTER XVII 

 Cotton — Varieties op American Upland . . . 282-299 

 Laboratory Exercises, 299 ; Literature, 299. 



'CHAPTER XVIII 

 Cotton Breeding . . S00-S14 



Laboratory Exercises, 313 ; Literature, 314. 



CHAPTER XIX 



Cotton — Soils and Fertilizers 315-340 



General Considerations on Fertilizing Cotton, 315 ; Ni- 

 trogenous Fertilizers, 325 ; Phosphatic Fertilizers, 829 ; Pot- 

 ash Fertilizers, 332 ; Miscellaneous Fertilizers and Effects of 

 Fertilizers, 335 ; Laboratory Exercises, 339 ; Literature, 339. 



