456 



INDEX 



Wheat (Continued). 

 improvement, 322. 

 insect enemies, 336. 

 leaves, 308. 

 nativity, 305. 

 origin, biological, 305. 

 pasturing, 331. 

 quality as affected by methods 



of handling, 332. 

 reproductive organs, 311. 

 roots, 306. 

 rotations, 325. 

 rust, 337. 



seed-bed, preparation of, 327. 

 seeding, date of, 328. 

 seeding machinery, 330. 

 seeding, methods of, 329. 

 seeding, rate of, 329. 

 smut, covered, 339. 

 smut, loose, 338. 

 soils, 324. 

 spike, 308. 

 spikelets, 309. 

 structure of, 306. 

 tillering, 307. 

 types, 314. 

 types, botanical classification, 



314. 



Wheat (Continued). 

 value in cotton-belt, 3. 

 value in United States, 3. 

 varieties, 317. 

 varieties for cotton-belt, 



318. 



weeds, 334. 

 Whitney, Eli, 119. 

 Williams, C. B., 20, 191. 

 Williamson, M elver, method of 



corn cultivation, 249. 

 Wisconsin Agricultural Experi- 

 ment Station, 151. 



Zea canina, 173, 177, 178. 



Zea Mays, 150. 



Zea Mays amylacea, 181. 



Zea Mays amylea-saccharata, 



182. 



Zea Mays everata, 178. 

 Zea Mays hirta, 182. 

 Zea Mays indentata, 180. 

 Zea Mays indurata, 179. 

 Zea Mays japonica, 182. 

 Zea Mays saccharata, 181. 

 Zea Mays tunicata, 178. 

 Zizania aquatica, 354. 

 Zizania miliacea, 354. 



Printed in the United States of America. 



