. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. 1. Upright with bulbous branchlets. 2. Spherical branch apex - not constricted at base/stalk junction. Caulerpa racemosa (Forsskal) J. Agardh 1873: 35. Fucus racemosa Forsskal 1775:191. Frond erect or creeping, bearing small, spherical, bead-like branchlets; 1-15 cm tall; grass-green; rhizomes creeping, stoloniferous, often branched; rhizoids numerous, branched, tapering. Branchlets spherical, 4 mm diam., stalked, not constricted at base; branch stalk to 2 mm diam.; rhizome 3 mm diam.; rhizoid stalk to mm
. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. 1. Upright with bulbous branchlets. 2. Spherical branch apex - not constricted at base/stalk junction. Caulerpa racemosa (Forsskal) J. Agardh 1873: 35. Fucus racemosa Forsskal 1775:191. Frond erect or creeping, bearing small, spherical, bead-like branchlets; 1-15 cm tall; grass-green; rhizomes creeping, stoloniferous, often branched; rhizoids numerous, branched, tapering. Branchlets spherical, 4 mm diam., stalked, not constricted at base; branch stalk to 2 mm diam.; rhizome 3 mm diam.; rhizoid stalk to mm diam., soon branching to fine filamentous apices. Fracture zone specimen: Bottom of east fracture, 7 m deep on mangrove peat, , D&MLittler 25116 (US). 2 mm. 1. Upright - feather-like in appearance. 2. Apex - note cylindrical aspect of branchlets and main rib. Caulerpa sertularioides ( Gmelin) Howe 1905b: 576. Fucus sertularioides Gmelin 1768:151, pi. XV, fig. 4. Fronds erect, feather-like, occasionally branched; to 20 cm tall, 1-2 cm wide; light green; branchlets opposite, cylindrical, needle shaped, apices bluntly pointed; rhizomes creeping, stoloniferous, extensive; rhizoids branched, filamentous. Branchlets 180-330/xm diam., 3-11 mm long, upcurved; stalk mm diam.; rhizome mm diam., to 2 m long, generally shorter; rhizoid stalk to 2 mm diam., branching to fine tapering apices. Fracture zone specimens: Bottom of east fracture, 7 m deep on mangrove peat, , D&M Littler 25117 (US).. 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 original Smithsonian Institution. Press; National Research Council (U. S. ). Pacific Science Board; Smithsonian Institution; National Museum of Natural History (U. S. ); United States. Bureau of Sport Fisheries and Wildlife. Washington, D. C. :
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