xviii LIST OF ILLUSTRATIONS 



FIGURE PAGE 



83. Dwarf and standard broomcorn. (Professor A. G. McCall) 236 



84. Flowers of alfalfa . 241 



85-86. Diagram of typical legume flower and insect pollination 242 



87. Applying lime to a field. (Country Gentleman) . . 247 



88. Nodules on roots of soy beans. (Extension Department, 



Ohio State University) 250 



89. Red clover 255 



90. Effects of lime on growth of red clover .... 257 



91. Cutting clover hay 261 



92. Using the tedder on a heavy hay crop .... 262 



93. Rolling down clover. (Agronomy Department, Ohio Station) 265 



94. Trailing stem of white clover. (Agronomy Department, 



Ohio Station) 267 



95. Alsike clover. (Agronomy Department, Ohio Station) . 269 



96. Using the side-delivery rake. (Agronomy Department, 



Ohio Station) . . . ... . .270 



97. Curing clover hay in the cock . . . .'*'.. . 271 



98. A crimson clover plant. (Country Gentleman) . . . 273 



99. An alfalfa plant. (Ohio Station) 278 



100. Arrangement of leaflets in alfalfa and clover . . . 279 



101. Alfalfa roots. (Professor A. G. McCall) . . . .280 



102. Stacking alfalfa in New Mexico. (Professor A. G. McCall) 289 



103. Canvas covers on alfalfa cocks. (Agronomy Department, 



Ohio Station) 291 



104. Farmers examining alfalfa test plots at the Ohio Station . 293 



105. Vetch plant showing flowers, leaves, and tendrils . . 295 



106. A sample of hairy vetch. (Country Gentleman} . . 296 



107. A field of vetch in full bloom. (Successful Farming) . 297 



108. A sweet clover plant. (Extension Department, Ohio State 



University) 298 



109. Effects of lime on the growth of sweet clover . . . 299 



110. Sweet clover growing by the roadside. (Extension Depart- 



ment, Ohio State University) 300 



111. A soy bean plant 306 



112. A field of soy beans 307 



113. Soy beans growing with corn. (Extension Department, 



Ohio State University) . . . . " . . .311 



114. Pods of cowpeas and soy beans 313 



115. Cowpeas and corn. (Country Gentleman) . . . 314 



