346 SUMMER FLOWERS. 



P. alpina : stems tufted, ^-1 foot high ; leaves short, broad, 

 mostly radical; panicle close ovoid, about two inches long, 

 spreading; spikelets crowded, ovate, 3-5 -flowered. Alpine 

 pastures. Fl. June, July. 



(334) Glyceria. 



G. aquatica : aquatic ; stems stout, reed -like, 4-6 feet high ; 

 leaves flat, very rough on the edges ; panicle much branched, 

 spreading, nearly a foot long, the spikelets numerous. Wet 

 ditches and shallow waters. Fl. July. 



G. fluitans : aquatic ; stems 2-3 feet high, rather weak, 

 creeping at the base ; leaves often floating ; panicle erect and 

 slender, a foot long, the branches few, usually erect ; spikelets 

 J-l inch long. Flote-grass. Wet ditches and stagnant 

 waters. Fl. June to September. 



(335) Catabrosa. WATER HAIR-GRASS. 



C. aquatica: aquatic; stems glabrous, procumbent, creep- 

 ing at the base or floating, often 2-3 feet long ; flowering 

 branches erect ; leaves short, flat, flaccid ; panicle 4-6 inches 

 long, with unequal, slender, spreading branches, in rather dis- 

 tant whorls. Shallow pools and ditches. Fl. June, July. 



(336) Melica. MELIC-GRASS. 



M. uniflora : stems 1-2 feet high, slender, elegant ; leaves 

 long and narrow ; panicle reduced to an almost simple raceme 

 with 3-4 spikelets, or having a few long, slender distant 

 branches, each bearing several spikelets, the spikelets brown- 

 ish, erect, containing one flower. Woods and shady places. 

 Fl. May, June. 



