CH. VIIl] 



Goek's-foot 



145 



Fig. 162. "Seeds" of the Prickly Sowthhtle (Sonchus asper, Hoff.). x 6. 



Fig. 163. "Seeds" of the Field Sowthistle (Sonchus arvensis, L.). x 6. 



Dactylis glomerata, L. 



For Botanical description see p. 93. 



Cock's-foot is indigenous to the temperate parts of Europe and 

 Asia and is abundant throughout Britain. It has been intro- 

 duced into North America where it is known as ''Orchard-grass." 

 It will grow well on a great variety of soils and at high elevations. 



a. 10 



