LIST OF ILLUSTRATIONS. XI 



Page 



Tubercles on Clover Roots 197 



Bur Clover Pod ....»..•. 206 



Yellow Trefoil Seed Pod 206 



Alfalfa Seed Pod » 207 



Spotted Clover Pod .....,., 207 



And There's Still More to Follow . . . • 220 



Dead Prairie Dogs 221 



Pot Culture Experiments at University of 



Illinois 230 



Six Months* Growth of Alfalfa Foliage . . 231 



Putting up Alfalfa Hay 256 



The Hay-loader Picks the Crop up Clean and 



Quickly 256 



A Cable Derrick^ Provided with a Grapple 



Fork 257 



A 400-ton Rack of Alfalfa 257 



Sweet Clover . 288 



Yellow Trefoil ...••.••• 289 



