INDEX 



Agencies of weed distribution, 40; not under 

 control, 55; partially under control, 56: 

 wholly under control, 56. 



Alfalfa as aid in eradication, SO. 



Animals, farm, distribution by, 43; wild, 51. 



Annuals, 62; winter, 62. 



Autumn cultivation, 90. 



Bare fallow, use in weed eradication, 107; objec- 

 tions to, 109. 



Biennial weeds, 64. 



Bindweed, description of, 206; eradication of, 209. 



Birds, distribution by, 50. 



Blueweed, description o£, 222; eradication of, 226. 



Buckhorn, description of, 203; eradication of, 205. 



Buckwheat, wild, description of, 210; dica- 



tion of, 213. 



Bugloss, viper's, 222. 



Burdock, description of, 133; eradication of, 136. 



Canada thistle, description of, 115; eradication 

 of, 118. 



Carrot, wild. 228. 



Catchflj^ night-tlowering-, 216. 



Cheat, eradication of, 187. 



Classes of weeds, 62; annuals, 62; biennials, 64; 

 perennials, 66. 



Cleaning farm of weeds, method of. 98. 



Cleaning seed grain, 16. 



Cleanliness, maintenance of, 96; cost of main- 

 tenance, 33. 



Clean seed, use of, 74. 



Clover, aid in eradication of weeds, 80; seed as 

 factor in distribution, 41. 



Cockle, 214; corn, description of, 214; eradica- 

 tion of. 217; sticky, 216; white, 216. 



