Bulletin of the U.S. Department of Agriculture Volume 768-775

Bulletin of the U.S. Department of Agriculture Volume 768-775

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1919 edition. Excerpt: ...a For a classification of wheats, see Jcssen, Deutschlands Grilser 191, 1863; KOrnlcke, nandb. Getreidebaues 1: 40, 1885; nackel in Engl, and Prantl, Pflan8enfam. II, 2: 80, 1887; True Grasses, translated by Scribner and Southworth, 180, 1800; Schulz, Mitt. Natf. Ges. Halle 1: 14. 1911. For an account of T. dicoccoiden Korn., recently found by Aaronsohn on Mount Ilormon, Palestine, see Anronsohn, Verb. Zool. Hot. Ges. Wlen 59: 485, 1909; V. S. Dept. Agr., Bur. PI. Ind. Dull. 180: 38, 1910; Cook, U. S. Dept. Agr., Bur. PI. Ind. Bull. 274. 1913. 35. Sec Ale L. Spikelets usually 2-floweredt solitary and sessile, placed flatwise against the raehis; the rachilla disarticulating above the glumes and produced beyond the upper floret as a minute stipe; glumes narrow, rigid, acuminate or subulate-pointed; lemmas broader, sharply keeledt 5-nerved, ciliate on the keel and exposed margins, tapering into a long awn. Erect, mostly annual grassest with flat blades and dense terminal spikes. Species five, in the temperate regions of Eurasia; one species cultivated in the United States and frequently escaped along waysides. Type species: Secale cerealc L. Secale L., Sp. PI. 84,1753; Gen. PI. 3G. 1754. Linnaeus describes four species: S. cereale, . viUosum, S. orievtalc, and S. creticum. The second species is now referred to Haynaldia, the third to Agropyron. The first species is chosen as the type, as it is a well8known economic species. Secale cereale (fig. 45), common rye, is cultivated extensively in Europe and to some extent in the United States for the grain, but here it is frequently grown as a forage crop. Rye is used for winter forage in the South and for fall and spring pasture in the intermediate region, and for green feed farther north....show more

Product details

  • Paperback | 148 pages
  • 189 x 246 x 8mm | 277g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236894502
  • 9781236894502