United States Exploring Expedition Volume 17

United States Exploring Expedition Volume 17

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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. 1874 edition. Excerpt: ...interior of Washington Territory.---Leaves not so membranaceous as in the plant of the Atlantic States. Involucels of many lanceolate leaflets. Styles nearly as long as the ovary. Mr. Nuttall considered this a distinct species from O. maculata, and named it C'. crassifolia, in my herbarium; but I cannot find suflicient characters for separating it, even as a well-marked variety. The veining of the leaves is the same in both. I have not seen the mature fruit of the western plant. HAB. Valley of the Sacramento, California.--A stout plant, 2-3 feet high. Leaves narrowly lanceolate, with mostly salient teeth. Involucral leaves linear-lanceolate, about half as long as the rays. Except in the longer involucre there are no obvious characters in which it differs from the eastern plant. Sium angustifolium, Linn. Sp. ed. 2, p. 1672. S. pusillum, Nutt. in Torr. & Gray, Fl. 1, p. 611 (forma depauperata). S. incisu1n, Torr. in Frem. 1st Rep. p. 90. HAB. Near San Francisco; in wet grounds.--I find no considerable difference between this plant and the European B. angustifolia, except that the fruit is broader in proportion to its length in the latter than in the former. The specimens in the herbarium of the Exploring Expedition are clearly the same as Siam pusillum of N uttall, which we have, named by that botanist. It is remarkable that this plant, which occurs in so many places, from Michigan to Florida, and west to the Pacific, should not have been identified until within a few years. 8. PEUCEDANUM, Koch. 1. Psucsnanun LATIFOLIUM, Nutt. in Torr. & Gray. HAB. Washington Territory, from the Columbia River westward to the Cascade Mountains.---Whole plant glaucous. Stem 1 or 2 feet high. Petioles 5 to 8 inches long. Segments of the leaves...show more

Product details

  • Paperback | 86 pages
  • 189 x 246 x 5mm | 168g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236931963
  • 9781236931962