. Contributions to Canadian biology. Marine biology; Natural history. No. 75. L<tf(ia (jracilliina. Lafcea fruticosa Sars. Trophosome. Stem fascicled, with many large branches regularly arranged; pedicels long with three or four twists, passing out at an angle of 45° to 60° from the stem; hydrothecte slightly convex with the lower wall more nearly in line with the pedicel than the upper. Gonosome. Coppinia with lonji' hydrothecir curved spi rally. Lafa'a f/raciUima (Alder). Trophosom'\ Stem fascicled, very much hranclied but the main stem is indistinguishable from the branches; hydrothecae
. Contributions to Canadian biology. Marine biology; Natural history. No. 75. L<tf(ia (jracilliina. Lafcea fruticosa Sars. Trophosome. Stem fascicled, with many large branches regularly arranged; pedicels long with three or four twists, passing out at an angle of 45° to 60° from the stem; hydrothecte slightly convex with the lower wall more nearly in line with the pedicel than the upper. Gonosome. Coppinia with lonji' hydrothecir curved spi rally. Lafa'a f/raciUima (Alder). Trophosom'\ Stem fascicled, very much hranclied but the main stem is indistinguishable from the branches; hydrothecae long, tubular, convex, coming off from the stem at an angle of less than 45°; pedicels with one or two twists. Gonosome. Coppinia similar to that of L. diimosa but the gonahgia as viewed from the surface are more nearly circular than hexagonal. Lafcea. pygiiya Hincks. Ti-ophosoiiie. Stem creei)iiig; hydrothccic small, almost sym- metr'cal; pedicels with two or three twists. Gonosome. Coppinia oval, tubes long, stout, strongly bent, forming a com]ilete network around the gonangia. (According to Broch.) Trophosome. Stem erect, fascicled, irregularly branched hydrotheca? symmetrical, coming oif from the stem nearly al right angles; pedicels longer th3n in other species, with fivf or .six annulations or twists. Gonosome. " Coppinia with regular hexagonal facets in the middle of which is a tubular opening; the tubes are com paratively few in number, very thick and strong, quitf No. 77. irregularly curved" (Bonnevie). ^^"Z"'- -^J/"'"""•««• Family SERTULARID/E. Trophosome. Hydrotheeae sessile, usually arranged on l)otli sides of the stem or branches and more or less adnate to them. Gonosome. Gonophores producing fixed Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the origi
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