Alaska Expedition Carried Out with the Co-Operation of the Washington Academy of Sciences Volume 5

Alaska Expedition Carried Out with the Co-Operation of the Washington Academy of Sciences Volume 5

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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. 1910 edition. Excerpt: ...Bay (232). Frond flattened, the membranes united except for a small space at the margin. Enteromorpha linza forma lanceolata J. Ag. Yakutat Bay (232). Margins smooth and even. Enteromorpha linza forma crispata J. Ag. Sitka (156). Margins and often the whole frond crisped and wavy. This species connects the genera Enteromorpha and Ulva and has perhaps been oftenest placed in the latter; but its affinities seem to be more with the present genus. Enteromorpha intestinalis (L.) Link. Metlakatla, Annette Island (37). Frond simple or with a few proliferations at the base, usually enlarged upward; cells arranged in no definite order, 6-12 n wide, in cross section radiate, 16-30 n long, the membrane about twice as thick as the cell length in cross section. Enteromorpha intestinalis forma cylindracea J. Ag. In a protected sandy pool, Kukak Bay with forma maxima (316); Sand Point, Popof Island (382). The frond is long, slender, and of nearly uniform diameter throughout its length. Enteromorpha intestinalis forma maxima J. Ag. Orca (311); Kukak Bay, with forma cylindracea (316); Victoria, British Columbia, a form with small cells and thin membrane, approaching E. minima (12). Frond much inflated, usually contorted. Enteromorpha micrococca Kuetz. On cliff, Orca (305); Shumagin Islands (398). Frond simple, tubular, of small size, much contorted; cells 4-5 /x in diameter; in membrane 18-20 n thick. This species usually grows in dense masses on rocks between tide marks. Enteromorpha prolifera (Muell.) J. Ag. Annette Island (35). Frond more or less abundantly branched; branches like main frond, not much smaller; cells arranged in longitudinal series in all but the oldest parts of the frond. These specimens have few branches. Enteromorpha crinita (Roth) J. Ag....show more

Product details

  • Paperback | 114 pages
  • 189 x 246 x 6mm | 218g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236649753
  • 9781236649751