Illustrations of North American Grasses Volume 1

Illustrations of North American Grasses Volume 1

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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. 1891 edition. Excerpt: ...strongly rooted, wlry-branched and almost woody below, slender, above leafy to the inflorescence, smooth. Leaves with blades narrow, short, 1 to 2 inches long, attenuated to a fine point; sheath smooth. striate, with a few long hairs at the top; ligule very short. Inflorescence consisting usually of 2 spikes, 1 to 11 inches apart at the apex of the culm, 1 to 11 inches long, crowded with the 20 to 30 one-sided spikelets. Spikelels about 21 lines long, with 1 perfect and 1 imperfect flower. Empty glumes smooth, acute, unequal; lower less than one-half as long as the upper, narrow; upper lanceolate, nearly 2 lines long; flowering glumes over 2 lines long, lanceolate, clothed with long white hairs ou the back and margins, divided at the apex into 3 sharply awned. lobes. Palet narrower, 2-toothed at apex, smooth. Imperfect flower consisting 0f 3 awns with 2 or 3 imperfect glumes at their base, on a short pedicel densely hairy-tufted at the apex. PLATE XLIV: a, spikelet spread open to show the parts; b, empty glumes; c, flowering glume; d, palet; e, imperfect or sterile flower and its pedicel. This species extends from northern Mexico to Arizona and western Texas. IM BOUTELOUA STRICTA Vasey. Culms 2 to 21 feet high, unbranched, wiry, stifily erect, smooth; base clothed with old, persistent, broad sheaths. Leaves few; blade erect, rigid, narrow, becoming setaceous-involute, 4 to 6 inches long, scabrous on the upper surface; lower sheaths broad, loose, smooth, and short, upper becoming long and narrow (3 to 4 inches long); ligule very short, ciliate. ' Injlorescence about 4 inches long, consisting of 5 or 6 erect or appressed, narrow, one-sided spikes, these i to 1 inch long, densely crowded with the 30 to 50 more

Product details

  • Paperback | 36 pages
  • 189 x 246 x 2mm | 82g
  • United States
  • English
  • black & white illustrations
  • 1236918606
  • 9781236918604