THE CHAFFINCH 



confined to hedges, clasps the fruit-farmer's bushes, while dodder 

 entwines flax and clover. Scrophularinece is represented by toad- 

 flax, red bartsia in cornfields, yellow rattle in meadows, figwort 

 in damp meadows beside ditches and is poisonous ; eye-bright, 

 lousewort and cow-wheat, mullein in hedgerows, and speedwells 



w 



\ 



FIG. 105. EFFECTS OF NON-PREVENTIVE AND PREVENTIVE TREATMENT. 



W, undressed Brassicas pulled up. X, dressed Brassicas untouched. Y, untreated lettuce. 

 Z, treated lettuce. A, sprouting radish: w, untreated; x, treated. 



or bird's-eyes upon arable land and waste places. Orabanchacecz 

 includes the broomrape which attacks clover. Primulacece em- 

 braces the cowslip and primrose of grassy places and meadows, 

 and the scarlet pimpernel of cornfields. Plantaginece claims the 

 ribgrass or plantain, its seed often seen in samples of clover seed 

 and its " bobtail " spike in seed given to cage birds, which, including 

 chaffinch, are fond of the seed. 



Of all the weeds enumerated and their seeds broadcasted by 

 natural agents that dispute the possession of the land with a grow- 



