142 CLASSIFICATION OF [CH. 



* Palea inflated, round-backed and somewhat 

 winged, membranous. 



Briza media. 

 B. minor. 



Briza media, L. 



Palese blunt, 2*5 — 3 mm., without lateral projections, 

 markedly convex — almost conduplicate ; nerves several. 

 Caryopsis ovoid, 1"5 — 2-5 mm., dark brown. 



Sometimes called a good grass, but meagre and only found in 

 poor meadows in this country. 



It shoukl perhaps go with the " Millet-seed " type and should be 

 compared with Phleum, Melica^ Panicum, &c. " Seed " seldom met 

 with. 



B. minor is smaller. 



** Paleje not inflated or winged. 



t Palece hroad^ flat and truncate, prominently three- 

 rihhed. Caryopsis 2 mm. long. 



Catabrosa aquatica, Beauv. 



Cattle like it, but it only grows in ditches &c. in water-meadows : 

 distinction from Glyceria aquatica easy if the palese are examined. 



+t Palece acute or sub-acute, boat-shaped. 



© Palece and " seed " at least 6 — 8 mm. long. 



= Rachilla flattened or angidar, and tapering 

 below. 



Lolium 2^erenne. 



Occasionally awned, and then less easily distinguished from 

 L. temAdentum. One of our -most valuable grasses. It forms a 

 distinct type of boat-shaped " seeds." 



Lolium p)6renne, L. (Fig. 57). 



Palea distinctly five-ribbed, glabrous, oblong-lanceolate, 

 obtuse or sub-acute, awnless, about 7 mm. long. Margins 



