Calamagrostis canadensis (Michx.). Bluejoint Reedgrass Habit: Tufted reedlike perennial, with numerous creeping rhizomes. Culms: 60-150 cm. tall, erect, simple, tufted. Blades: 15-40 cm. long, 4-8 mm. wide, numerous, rather lax, scabrous, usually flat, glaucous. Sheaths: Glabrous or rarely obscurely pubescent. Ligule: Membranous, 2-3 mm. long. Inflorescence: Panicle 10-25 cm. long, nodding, dense to open, usually purple; the slender fascicled branches ascending or spreading. Spikelets: 3-3.5 mm. long, numerous, 1-flowered; flowers perfect; the rachilla disarticulating above the glumes, prolonged behind the palea as a sort hairy bristle. Glumes: 3-4 mm. long, equal, acute or acuminate, usually scabrous, persistent, narrow, keeled, a little longer than the lemma. Lemmas: Slightly shorter than the glumes, smooth, thin, scabrous, awned on the back, usually from below the middle, the awn delicate, straight, extending to about the tip of the lemma; callus hairs abundant, about as long as the lemma; rachilla delicate, sparsely long-pilose. Palea: Shorter than the lemma, narrow thin, hyaline, faintly 2-nerved. Habitat: Marshes, wet places, woods and meadows. July-September. Kansas Range: Extreme west (Hamilton county along Arkansas river). Use: Rare in Kansas. Synonyms: Calamagrostis canadensis (Michx.) Beauv. var. canadensis Calamagrostis atropurpurea Nash Calamagrostis canadensis (Michx.) Beauv. var. pallida (Vasey & Scribn.) Stebbins Calamagrostis canadensis (Michx.) Beauv. var. robusta Vasey Calamagrostis canadensis (Michx.) Beauv. var. typica Stebbins