xxvi LIST OF ILLUSTRATIONS 



FIG. PAGE 



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



ous stages of development and for comparison a 

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



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



hulled 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 Blackhull 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 shallu (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.) . . . , ; ; . , , . J --> ; . 442 



