WEEDS OF ARABLE LAND 103 



Photo, 1909. H. C. Long. 



FIG. 29. Field Bindweed (Convolvulus arvensis L.). 



Great Bindweed or Bearbine (Convolvulus septum L.) 

 is somewhat similar to the last species, but the climbing 

 stems are much longer, frequently over-topping hedges. 



