Botany of Western Texas; A Manual of the Phanerograms and Pteridophytes of Western Texas Volume 1

Botany of Western Texas; A Manual of the Phanerograms and Pteridophytes of Western Texas Volume 1

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1892 edition. Excerpt: ...with hispid stem-bristles (from papilliform base), hispidulous branches and even peduncles, and sometimes a few bristles near tips of involucral bracts: pappus dull white. 123. LYGODBSMIA Don. Smooth, often glaucous low perennials, with single erect heads of (5 to 10) rose-purple flowers terminating almost leafless or rush-like stems or branches, elongated cylindrical involucre of linear scales in a single row, naked receptacle, long and slender achenes tapering at summit, and copious soft whitish pappus. 1. L. juncea Don. Much branched from the deep-rooted base: leaves small; lower lanceolate-linear from a broadish base, 2.5 to 5 cm. long; upper reduced to small subulate scales: heads 5-flowered, at most 12 mm. long: ligules 6 to 8 mm. long.--Plains of western Texas. 2. L. grandiflora Torr. & Gray. Stems separate or few from the root, simple below; the larger plants leafy, corymbosely branched above and bearing few or numerous heads: leaves all entire, linear-attenuate, 5 to 10 cm. long, only the very uppermost reduced to scales: heads 5 to 10-flowered, fully 18 mm. long: ligules of equal length, showy, rose-red.--Southern Texas (Palmer). 3. L. aphylla DC. Stems mostly solitary from the root, slender and rush-like, naked or nearly so, once or twice forked above, and bearing solitary long-peduncled heads: leaves filiform, elongated, entire or rarely with 1 or 2 teeth; upper reduced to mere scales at forks: heads mostly 10-flowered, 16 to 18 mm. long: ligules of equal length.--A species of the Gulf States barrens, but represented on rocky hills and plains throughout Texas by var. Texana Torr. & Gray, which is stouter, with more numerous leaves from filiform and usually with 2 or 3 lateral lobes to linear and sparingly pinuately lobed. 124....
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Product details

  • Paperback | 106 pages
  • 189 x 246 x 6mm | 204g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236585488
  • 9781236585486