. 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. 7. Agropyron tenerum Vasey. Slender Wheat-grass. Fig. 692. A. -tenerum Vasey, Coult. Bot. Gaz. 10: 258. 1885. Agropyron novae-angliae Scribn. Contr. Bot. Vt. 8: 103. 1900. Glabrous, culms 2°-3° tall, erect, simple, often slender, smooth. Sheaths usually shorter than the internodes, glabrous; ligule very short; blades 3'-io' long, l"-2" wide, flat or i
. 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. 7. Agropyron tenerum Vasey. Slender Wheat-grass. Fig. 692. A. -tenerum Vasey, Coult. Bot. Gaz. 10: 258. 1885. Agropyron novae-angliae Scribn. Contr. Bot. Vt. 8: 103. 1900. Glabrous, culms 2°-3° tall, erect, simple, often slender, smooth. Sheaths usually shorter than the internodes, glabrous; ligule very short; blades 3'-io' long, l"-2" wide, flat or involute, rough; spike 3'-7' in length, usually narrow and slender; spikelets 3—5- flowered; empty scales 4"-6" long, acuminate or short-awned, 3-5-nerved, scarious on the margins; flowering scales s"-6" long, 5-nerved, awn-pointed or short-awned, scarious on the margins, often rough toward the apex. In dry soil, Newfoundland to British Columbia, south to Kansas, Colorado and California. July-Aug. 8. Agropyron caninum (L.) R. &S. Bearded or Awned Wheat-grass. Fibrous-rooted Wheat-grass. Fig. 693. Triticum caninum L. Sp. PI. 86. 1753- Agropyrum caninum R. & S. Syst. 2: 756. 1817. Agropyrum unilaterale Cassidy, Bull. Colo. Agric. Exp. Sta. 12 : 63. 1890. A. Richardsoni Schrad. Linnaea 12: 467. 1838. Culms i°-3° tall, erect, simple, smooth and gla- brous. Sheaths usually shorter than the internodes, smooth, the lower sometimes pubescent; ligule short; blades 3'-p/ long, i"-3" wide, smooth beneath, rough above; spike 3'-8' in length, sometimes one-sided, often nodding at the top; spikelets 3-6-flowered; empty scales 4V-6" long, 3-5-nerved, acuminate, awn-pointed or bearing an awn i"-3" long; flowering scales 4"-s" long, usually scabrous toward the apex, acuminate into an awn sometimes twice their own length. New Brunswick to the Yukon, south to North Caro- lina, Tennessee, Iowa and Colorado. Also in Europe and Asia
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
