GRASS FAMILY. 391 



"Wheat — has found its way into some districts of Qur country ; and is a 

 troublesome pest in cultivated grounds, when fully introduced, — by 

 reason of the great tenacity of life m its rhizomas, or creeping subter- 

 ranean stems. In some localities this may afibrd an acceptable pastur- 



1; 



Fig. 264. Couch- or Quitch-Grass (Triticum repens). 



