Eragrostis sericata Cope

Spikelets 7–8 × 4–4.5 mm, elliptic-ovate, laterally compressed, 11–13-flowered, the lemmas disarticulating from below upwards, the rhachilla persistent; glumes unequal, reaching to the middle of the adjacent lemmas, keeled, narrowly lanceolate in profile, glabrous, acute at the apex, the inferior c. 1.7 mm long, the superior c. 2 mm long; lemmas 2.7–3 mm long, keeled, narrowly ovate-elliptic in profile, firmly membranous with indistinct lateral nerves, diverging from the rhachilla at 45°, those in opposite rows not overlapping, the rhachilla visible between them, greyish-green, glabrous, subacute at the apex; palea persistent, glabrous on the flanks, the keels slender, wingless, pubescent; anthers (?)3, c. 1.2 mm long.