INDEX 



691 



Germination, 15. 

 Glume, 7. 

 Gluten, 14. 

 Grain elevators, 565. 



floating, 566. 



line, 565. 



modern, 566. 



terminal, 566. 

 Grain exchanges, 573. 



"bulls" and ''bears," 576. 



rash sales, 574. 



contract grades, 571, 575. 



corners, 576. 



future delivery, 574. 



hedging, 575. 

 Grain grading, 570. 



commercial classes, 568. 



inspection, 573. 



moisture content, 571. 

 Graminese. See Poacese. 

 Great Plains, 240, 337. 



climate of, 254. 



depth of soil in, 242. 



description of, 281. 



Hairy oats, 102. 

 Heading, 18. 

 Hilum, 10. 



Hordete, 27, 115, 147. 

 Hordeum, 115. 



distichum deficiens, 137. 



intermedium, 124, 133. 



ithaburense ischnatherum, 123. 



murinum, 116. 



polystichum, 123. 



polystichum hexastichum, 124. 



polystichum vulgare, 124, 129. 



sativum, 115. 



spontaneum, 122, 124. 



spontaneum distichum, 100. 

 Hulless oats, 99. 



varieties and grouping, 100. 

 Humus, 235, 378. 



deficiency of, 379. 



increasing the, 380. 

 Hybridization, 206. 



aberrant forms, occurrences of, 

 212. 



Australian, 229. 



Blount, work of, 219. 



Hybridization (Continued). 



Canada, work in, 221. 



cereal breeding, discrimination 

 in, 215. 



composite crossing, 218. 



correlation, examples of, 213. 



correlation of characters, 213, 

 587, 621. 



cross pollination, 215, 216, 621. 



dominant characters, 211. 



Farrer, work of, 228. 



Farrer's hybrids, 229. 



Garton's hybrids, 224, 225. 



Jones, work of, 219. 



limits, 217. 



Mendel's Law, 208-210. 



need of, 206. 



pollination, manner of, 207, 621. 



pollination of rye, 207. 



Pringle's hybrids, 218. 



recessive characters, 211. 



rice, 618. 



Rimpau, work of, 224. 



unit characters, 210. 



U. S. Dept. Agr., work of, 227. 

 Hypocotyl, 3, 15. 



Inflorescence, 4. 

 Insects, 471. 



attacking stored grain, 489. 

 Angoumois grain moth, 486. 

 Cadelle, 492. 

 control of, 499. 

 eradication, 500. 



by carbon bisulfide, 504. 



by high temperatures, 500. 



by hydrocyanic acid gas, 502. 



in mills, 500. 

 flour beetle, confused, 494. 



rust red, 494. 



small eyed, 495. 

 grain beetle, flat, 493. 



foreign, 493. 



sawtoothed, 491. 



square necked, 493. 

 grain moth, 496. 

 Indian meal moth, 498. 

 meal snout moth, 499. 

 meal worm, dark, 494. 



yellow, 493. 



