HOW TO GROW GOOD GRASSES. 



67 



There is a peculiar form of this which occasionally 

 occurs in sandy districts, called A. avenaceum, variety 

 bulbosum (Onion Couch), the trivial name of which 

 has been given from the fact that its nodes thicken 

 beloAV the soil, and present the appearance of small 

 races of onions. This pest is got out of the land by 

 harrowing and hand-picking ; but as every bulb grows 

 like joints of real couch, it is very difficult to entirely 

 eradicate it. 



Fi'j. 24. The Oat-like Grass. 



Fig. 25. The Soft Brorne, or Lop Grasses. 



The Soft Brome, or Lop Grasses (Bromus mollis, 

 fig. 25), and its congeners, is an annual grass, and 

 G 



