Aristea refracta [sp. nov.] Panicles about 4 inches long, rays in pairs, one short & two flowered, the other longer short 4 flowered, rigid & mostly refracted, glumes subequal, the upper slightly tonger acute. Scales on the face almost equally The flower which is somewhat alternate, roughland & densely twisted above. Setae (almost & lines long) subequal. Antricate. Camp 51. Sept 23 - 1853. Bijelow in Whipple Exped. Carum Hinder, 6 inches to a foot in height, glabrous. Sheaths mostly equally or slightly exceeding the joints except after their at the main leaf sheath nodes. Leaves complete foliform, subrigid, none of the arils about 3 inches long, smooth. Panicles Spicate, loose, Aril scabrous, as well as the rays which are in pairs, united at the junction with the apil. Spreading & all have the uppermost strongly refracted, one about an inch in length 3-4 flowered, the other half as long, 2 flowered. The uppermost 1 flowered. Glumes almost 5 lines long. The lower slightly shorter, rough on the midveins, slightly cuspidate. Upper palea smooth down & spotted, alternate, rough & densely twisted above, equally or slightly exceeding the upper glume Middle Setae & lines long the lateral about 2 line shorter, somewhat divaricate, not ambenticate. A delicate species. Differs from any known To me, distinguished by the refracted rays of the panicule.