Stream macroalgae of Hawai`i: an identification guide - Hawaii.gov
Stream macroalgae of Hawai`i: an identification guide - Hawaii.gov
Stream macroalgae of Hawai`i: an identification guide - Hawaii.gov
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31b. Cells in filaments such that only the corners<br />
<strong>of</strong> the adjacent cells are touching (zig-zag<br />
filaments) - 33<br />
32a. Filaments constructed <strong>of</strong> cylindrical cells<br />
composed <strong>of</strong> overlapping pieces, ornamentation<br />
in the form <strong>of</strong> org<strong>an</strong>ized lines <strong>of</strong> holes (striae)<br />
along the two halves <strong>of</strong> the cylinder - Melosira<br />
(p.46)<br />
32b. Cells <strong>of</strong> filament appear rect<strong>an</strong>gular, when<br />
individually separated appear rounded with six<br />
protrusions equally spaced around cell perimeter<br />
- Hydrosera (p.45)<br />
33a. Cells appear rect<strong>an</strong>gular in filaments, but<br />
elliptical when seen in valve view - Pleurosira<br />
(p.47)<br />
33b. Cells in filaments form appear rect<strong>an</strong>gular,<br />
small “musical-note” shaped ornamentations<br />
visible on the cell wall - Terpsinöe (p.49)<br />
8
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