xxvi LIST OF ILLUSTRATIONS 



PIG. PAGE 



60. Loose smut of barley, showing five smutted heads at vari- 



ous stages of development and for comparison a 

 sound bariey head (U. S. Dept. Agr.) 352 



61. Typical heads of five varieties of nee together with the un- 



huUed and hulled grains (Texas Station) . . 357 



62. Blue Rose rice (La. Station) 358 



63. Two heads of Milo showing desirable form (on left) and 



undesirable form (on right) U. S. Dept. Agr.) .' 378 



64. Three plants of BlackhuU Kafir, 5.5 feet high, selected for 



low stature and high yielding power (U. S. Dept. 

 Agr.) ... .379 



65. A head of Orange sorghum (U. S. Dept. Agr.) . 383 



66. Heads of four varieties of Kafir (U. S. Dept. Agr.) 391 



67. Milo heads; one pendent, one erect (U. S. Dept. Agr.) 392 



68. Milo seeds, hulled and unhulled (U. S. Dept. Agr.) 393 



69. Two heads of shaUu (U. S. Dept. Agr.) . . 394 



70. Broom-corn fruit with chaff (after Winton) 396 



71. A field of sugar-cane (La. Station) . • 402 



72. Spanish type of peanut (U. S. Dept. Agr.) . 434 



73. Commercial types of peanuts (U. S. Dept. Agr.) 435 

 ,74. Machine potato digger adapted for harvesting peanuts 



(U. S. Dept. Agr.) .... .441 



75. Laborer building a stack of peanut vines, showing method 

 used. Completed stacks in background (U. S. Dept. 

 Agr.) .442 



