1 88 COMMON WEEDS 



an area of about 4000 acres, with the object of eradicat- 



Photo, 1909. /. C. Varty-Smith. 



FIG. 52. Ragwort (Senecio Jacobcza L.). 



ing it, and at first seemed to do well ; after a year, 

 however, considerable mortality ensued. Mr. Gilruth, 



