"Bouteloua trichodina" Perennial, caespitose, culms 8"-12" high, sometimes geniculate below, smooth, scabrous smooth - leaves plane, laminæ pubescent slightly smooth somewhat pilose at base - Spikes about 6 - common racemis glabro slender - spikes about 6 short pedicels - fertile paleis racemis & glumes hirsute - spikes 4" long but florend racemis prolonged at apex - 1 seeded spikelets 2 fe - lower gl caespitose receptacle in length of upper...3 seeded aristate acuminate + rigid on - herm. gl - lower paleas 3 seeded duing on its veins & margins, 8 fid at apex also subulate entire, upper aqualling the lower strongly bescuriate, veins approp- rimite, acuminate + minutely aristole lifted at apex - stamens 3 - anthers large filaments that styles plumose with very long capillary awns. Receptacle gl, pedicelled consisting of a few narrow & aristate paleas & 2 seem having awnless lemmas - aqualling the fertile gl. Rock Creek July 1872 & Valley of Death Horn- Bigelow - 753 Wright- Distinguished by its very hairy flowers & its con puffed cuminits upper paleas 137 Monroe, Rock Creek Big 138 Camp of Valley of Death Big