Deschampsia atropurpurea (Wahlenb.) Scheele

Deschampsia atropurpurea (Wahl.) Scheele, Flora 27: 56. 1844
Aira atropurpurea Wahl. Fl. Lapp. 37. 1812.
Avena atropurpurea Link, Hort. Berol. 1: 119. 1827. (Based on Aira atropurpurea Wahl.)
Holcus atropurpureus Wahl. Sv. Bot. pi. 687. 1828. (Based on Aira atropurpurea Wahl.)
Aira latifolia Hook. Fl. Bor. Am. 2: 243. 1840. (Type from Rocky Mountains, Drummond .)
Vahlodea atropurpurea Fries, Summa Veg. Scand. 243. 1845. (Based on Aira atropurpurea Wahl.)
Deschampsia latifolia Vasey, Grasses U. S. 29. 1883. (Based on Aira latifolia Hook.) Not
D. latifolia Hochst. 1851. Deschampsia Hookeriana Scribn. Bot. Gaz. 11: 97. 1886. (Based on Aira latifolia Hook.) Deschampsia atropurpurea var. minor Vasey, Bull. Torrey Club IS: 48. 1888. (Type from Vancouver Island, Macoun in 1887.) Deschampsia atropurpurea var. latifolia Scribn.; Macoun, Cat. Can. PI. 2': 209. 1888. (Based on
Aira latifolia Hook.) Erioblastus flexuosus Honda, Jour. Fac. Sci. Univ. Tokyo Bot. 3: 143. 1930. (Type from Japan.) Vahlodea flexuosa Ohwi, Acta Phytotax. 2: 33. 1933. (Based on Erioblastus flexuosus Honda.)
Perennial; culms loosely tufted, erect, purplish at the base, glabrous, 40-80 cm. tall; sheaths glabrous; ligule rounded, dentate, 3 mm. long; blades flat, thin, ascending or appressed, glabrous or slightly scaberulous, acute or abruptly acuminate, 5-10 cm. long, 4—6 mm. wide; panicle loose, open, nodding, 5-10 cm. long, the axis glabrous or nearly so, the few capillary branches scabrous, drooping, mostly in two's, naked below; spikelets mostly purplish, broad; glumes broad, acute, 5 mm. long, exceeding the florets, the second 3-nerved; lemmas scabrous or glabrous, about 2.5 mm. long, the callus-hairs about half as long, the rachilla-joint pilose, 0.7 mm. long; awn attached about the middle of the lemma, that of the lower straight or nearly so and included, that of the upper geniculate, exscrted.
TvPK uXMATv: Lapland.
Distribution: Woods and meadows, Newfoundland an<l Labrador to Alaska, and southward to the White Mountains. Colorado, and Oregon; also in northern Eurasia.