Images: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21

SIGHT IDENTIFICATION CHARACTERS: Florets two or more per spikelet; lemmas 3-veined (sometimes inconspicuous); ligules ciliate membranes; glumes disarticulate from spikelet; Palea persistant on rachilla.