floating manna grass

1 definition found

floating manna grass - Collaborative International Dictionary of English v.0.48 :

  manna grass \manna grass\ n. (Bot.),
     Any of several tall slender grasses of the genus Glyceria.
     They have long loose panicles, have a sweet flavor or odor,
     and grow in moist places. Nerved manna grass is Glyceria nervata
     , and Floating manna grass is Glyceria fluitans.
     [1913 Webster + WordNet 1.5]