INDEX 



697 



Tillage (Continued}. 



right lapping, 402. 



summer, 350, 389. 

 Tillering, 4, 17. 



variation in, 297. 

 Transpiration, protection against, 



25. 



Triticese, 27, 147. 

 Triticum, 27. 



monococcum, 35. 



sativum, 35. 



sativum dicoccum, 35, 62. 



sativum spelta, 35, 58. 



sativum tenax, 35. 



sativum tenax compactum, 35, 45. 



sativum tenax durum, 35, 51. 



sativum tenax turgidum, 35, 47. 



sativum tenax vulgare, 35, 36. 

 Two-row barley, 136. 



varieties and grouping, 136. 



Weeds, 439. 



annual, 440, 454. 



barnyard grass, 631. 



buffalo bur, 453. 



bull nettle, 453. 



charlock, 444. 



cheat, 445. 



chess, 445. 



corn cockle, 444. 



false wild oats, 449. 



French weed, 447. 



kinghead, 447. 



mustard, tumbling, 445. 

 wild, 444. 



penny cress, 447. 



pigeon weed, 450. 



purple cockle, 444. 



ragweed, 446, 465. 



red rice, 630. 



Russian thistle, 450. 



sunflower, 450. 



tumble weeds, 452. 



vetch, 451. 



water grass, 631. 



wild oats, 448. 



wild buckwheat, 453. 



wheat-thief, 450. 

 biennial, 454, 456. 



bull thistle, 454. 



Weeds (Continued). 



evening primrose, 456. 



field thistle, 455. 



mustard, green tansy, 455. 

 damage from, 440. 

 dissemination, 441. 

 eradication of, 468. 



by hand, 468. 



by planting buckwheat, 470, 

 595. 



by spraying, 468. 



in North Dakota, 469. 



in Rhode Island, 470. 



in Wisconsin, 470. 

 growth, habits of, 440. 

 how injurious, 439. 

 perennial, 457. 



bindweeds, 461. 

 California, 461. 

 eradication of, 463. 

 field, 461. 

 hedge, 461. 



blue nettle, 465. 



blue top, 465. 



horse nettle, 464. 



milkweed, 467. 



morning glory, 461. 



ragweed, 465. 



sow thistle, 466. 



Torrey night-shade, 465. 



wild garlic, 457. 

 damage from, 457. 



wild rose, 466. 

 seeds, 442. 

 Western area, 375. 

 Wheat, 27. 



antiquity of, in China, 34. 



auricle in identification, 29. 



classification, 35. 



club, 44. 



common, 37. 



composite, 49. 



culms, 28. 



distribution in North America, 



67. 

 districts, 69. 



durum, 77. 



hard spring, 73. 



hard winter, 75. 



northeastern spring, 69. 



