viii CONTENTS. 



THE WOAD AND WELD CKOPS. 



PAGE 



Extent of cultivation, . . 415 



Soils suitable for crop, .. .. .. . . .417 



Preparation of the land, . . . . . .419 



Method of cropping, . .- . 



Dyeing properties of woad, ... . . . 423 



Manufacture of woad, . .. .. .. . .. . . 425 



Cost of cultivation, . . . ; I . .427 



Botanical characters of weld, . , . . . 429 



Produce of crop, &c., . .. .. .. . .431 



THE MADDER CKOP. 



Early history, . . . . . % . . 433 



Preparation of ground, . . . . . .437 



Diseases and insect injuries, ...... 439 



Chemical composition of root, ..... 441 



THE CORIANDER AND CARAWAY CROPS. 



Cultivation and harvesting of coriander, : . . .445 



Cultivation of caraway, . . : . .447 



