(an ancient Greek name for Darnel). Gramm ca. HAIR GR-ASS. A genus containing delicate annual grasses, with slender, loose paniclc-branches: spikelets very small, of two perfect contiguous flowers: flowering glume acutely 2-cleft at the apex, bearing a slender twisted awn below the middle. Eu., N. Afr.—This genus is much confused with Agrostis by florists. Not. from Eu. and cult. for dry bouquets.