Bouteloua polymorpha Longiflora macrochaeta Perennial, caespitose ; culmus ascending from a subglandulate base, slender, wiry- 8-12 inches high (including arms) smooth. Sheaths broadest at the base of the culm. After shorter than internodes, smooth. Ligule minute, lacinate. Leaves about 1" long, 1/4" wide at base. Begins tapering to and pungent at apex- pilose ciliate. Spikelets 4- short pedicelled erect ; of 1 floret similarly similar. each - rachis prolonged into a 1 armed glume-like point 2/3 as long as the lower glume. Spikelets many flowered - 2 demorphs ? / 2 - 4 laterals. Glumes lanceolate acuminate, 3 nerved, scabrous on the mid nerve - entire at the apex. Upper 1/2 onto) exceeding the lower floret. Lower fl.- cylindrical upon a short densely silky pedicel enclosing the upper one - Lower glumes 5-6 lines long glabrous, 3 nerved - branching in 3 long sulcate setae which are 2"-3 1/2" long & minutely scabrous. Upper glume equal to the lower, strongly leucinoidly 2 nerved. Densely ciliate at the nerves - awn's very slender. Spurred into short setae with a lacunose lacerate Oray elongated - Styles 2 distinct- very long (3/4")- silvers plume above - Stamina ? Symmetrical ? Second flower on a pedicel 1/3 the length of the lower - similar. Upper florets reduced to 3 awns each which equal those of the lower florets- some sometimes ovuleferous