ILLUSTRATIONS xix 



171. Alfalfa Dodder 395 



1 72. IJed Clover and White Clover 399 



173. Sowing Red Clover in Fall Wheat with Special Grass-seed Drill. . 400 



174. Seeds of the Clovers 401 



175. Red Clover Seed and Common Weeds Often Found in It 402 



176. Alsike Clover 407 



177. White Clover 409 



178. Sweet Clover 411 



179. Seed Pods and Seeds of Burr Clover 416 



180. Cow Peas in Rows 421 



181. Seeds of Cow Peas and Soy Beans 423 



182. Soy Bean Plant 425 



183. Soy Beans in Rows, Three Feet Apart, for Seed or Forage 426 



1 84. Mixture of Field Peas with Oats 431 



185. Hairy Vetch 434 



186. Seeds of Common and of Hairy Vetch 436 



187. Map of the United States, Showing Area Adapted to the Pro- 



duction of Peanuts 439 



187a. Distribution of Field Beans and Peanuts 



188. Three Stages in Development of the Peanut 440 



189. The Peanut Plant, Virginia Running Variety 440 



190. Two Types of Peanuts 441 



191. Method of Shocking Peanut Crop Over a Stake 445 



192. Table Beet, Round Form 451 



193. Mangel Beets, Long Form 452 



193a.Distribution of Sugar Beets, Sorghum, and Sugar Cane 



194. Kohl-rabi 454 



195. Rutabaga or Swede Turnips 455 



195a. Distribution of Tobacco, Rice, Flax, and Hemp 



196. Tobacco Plant Developed for Seed Production 460 



197. Sterilizing Tobacco Beds by Steam 466 



198. Apparatus for Separating Light and Heavy Tobacco Seed 467 



199. Cheesecloth Shape for Growing Fine Wrapper Tobacco 471 



200. Frame for Hauling Tobacco to the Barn, Wisconsin 472 



201. Barn for Curing White Burley Tobacco, Kentucky 473 



202. Barn for Curing Dark Tobacco, Tennessee 475 



203. The Northern Tobacco Worm or Horn Worm 477 



