. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 288 GRAMINEAE. Vol. 105. SITANION Raf. Journ. de Phys. 89: 103. 1819. Tufted grasses, with flat or involute leaf-blades, and a terminal dense spike with the rachis articulated and readily breaking up. Spikelets numerous, in 2's or 3's at each node, 2-5-flowered; empty scales entire or divided, the divisions extending often to the base, the scales or their d


. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 288 GRAMINEAE. Vol. 105. SITANION Raf. Journ. de Phys. 89: 103. 1819. Tufted grasses, with flat or involute leaf-blades, and a terminal dense spike with the rachis articulated and readily breaking up. Spikelets numerous, in 2's or 3's at each node, 2-5-flowered; empty scales entire or divided, the divisions extending often to the base, the scales or their divisions bearing long slender awns; palet 2-keeled. Stamens 3. Styles' dis- tinct, short. Stigmas plumose. Grain adherent to the palet. [Greek, a kind of food.] Species 12, or perhaps more, mainly natives of the western United States. Type species: Sitanion elymoides Raf. i. Sitanion elymoides Raf. Long-bristled Wild Rye. Fig. 699. Sitanion elymoides Raf. Journ. Phys. 8g: 103. 1819. Elymus Sitanion Schultes, Mant. 2: 426. 1824. Blymus elymoides Swezey, Neb. Fl. PI. 15. 1891. 51. brevifolium J. G. Smith, Bull. U. S. Dep. Agr. Agrost. 18: 17. 1899. 5". longifolium J. G. Smith, Bull. U. S. Dep. Agr. Agrost. 18: 18. 1899. Culms i°-2° tall, erect. Sheaths smooth or rough, sometimes hirsute, usually overlapping, the upper one V often inflated and enclosing the base of the spike; blades 2'-j' long, V-2" wide, often stiff and erect, usually rough, sometimes hirsute, flat or involute; spike 2'-6' in length; spikelets 1-5-flowered; empty scales entire, awl-shaped; flowering scales 4"-s" long, S-nerved, scabrous, bearing a long slender divergent awn li-3' in length, the apex of the scale sometimes 2-toothed. In dry soil, Wyoming to western Missouri, Texas, Ari- zona and Nevada. July-Aug. +• 106. ELYMUS L. Sp. PI. 83. 1753. Tall grasses, with usually flat leaf-blades and dense terminal spikes. Spikelets 2-several- flowered (rarely i-flowered), sessile, usually in pa


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913