CHAP. I. 



QUAKING GRASS. 



925 



QUAKING GRASS (Briza media, L.), is too well known to need 

 description. It grows usually on poor meadows and heaths, and 



Fig. 431. Meadow Barley Grass 



(Hordeum pratense). 



Fig. 432. Wall Barley Grass 



(Hordeum murinum). 



throws up but little herbage. It seldom occurs in old pastures, save 

 on light gravelly land, and generally disappears as a result of draining 



Fig. 433. Yorkshire Fog 



(Holcus lanatus). 



fig. 434. Creeping Soft 

 Grass 



(Helens mollis). 



and liberal manuring. Its panicle, with the beautiful purplish, nodding, 

 boat-shapeds pikelets on their slender stalks, is an exceedingly elegant 

 object, it is easy to see in quaking grass what is meant by a 

 " spikelet." 



