Muhlenbergia arenicola Buckl. Sand Muhly Habit: Perennial resembling Muhlenbergia torreyi Culms: 30-50 cm. tall, tufted, erect or ascending, branching, slender, glabrous or puberulent at or near the nodes. Blades: Usually straight, 5-13 cm. long, 1 mm. wide or less, involute, erect, scabrous. Sheaths: Shorter than the internodes, rough to smooth. Ligule: Membranous, 4-6 mm. long, decurrent. Inflorescence: 15-40 cm. long, short-exserted or sometimes included at the base, pale green or sometimes purplish, usually narrowly open, often nodding, branches usually ascending, the branchlets loosely appressed. Spikelets: Exclusive of the awn 3 mm. long, 1-flowered, on slender scabrous pedicels usually about as long as the spikelet or the terminal longer. Glumes: Subequal, half to two thirds as long as the lemma, acuminate, awn-pointed, scabrous on the nerve, otherwise smooth or scabrous. Lemmas: Scabrous, with a few hairs at the base or glabrous, tapering into an awn 1-3 mm. long. Palea: Thin, about as long as the lemma. Habitat: Sandy plains, mesas and foothills. August-September. Kansas Range: Russell county.