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Caulerpa racemosa (Forsskll) J. Agardh var. chemnitzia (Esper) Weber-van Bosse 1898: 370, pl. 3 1, figs 5-8; Gilbert 1961: 437; Payri and Meinesz 1985a: 507. (Fig. 29) Plants characteristically lacking a well-defined spreading stolon, the ramelli up to 1.5 mm long and trumpet-shaped with concave, flattened ends 1-3 mm in diameter and radially disposed in dense fashion around foliar branches up to 25 mm in length. This variety is intermediate between var. clavifera and var. peltata. Distribution Fiji, Marshall Islands, Tahiti, Papua New Guinea, northern Australia, Indonesia, Hawaii, Philippines, Taiwan, tropical Americas, India. Fijian Record New record for Fiji. Rotuman Distribution Lopta (L3/ USP 374, L13/ USP 373, L22/ USP 413). Habitat and Remarks Found in relatively exposed locations on outer reef, growing together with var. uvifera. Caulerpa racemosa (Forsskll) J. Agardh var. uvifera (Turner) J. Agardh 1816: 81; Weber-van Bosse 1898: 362, pl. 33, figs 6, 7; fig. 23; 1913a: 105; Taylor 1928: 102, pl. 12, fig. 6; pl. 13, fig. 3; 1950: 63; 1960: 153, pl. 17, fig. 3; pl. 18, fig. 4; Dawson 1957: 106; Chapman 1961: 148, fig. 174; Gilbert 1961: 440; Valet 1968: 45, pl. 7, fig. 2; Womersley and Bailey 1970: 276; Mefiez and Calumpong 1982: 9, pl. 20; Lewis 1987: 24; Garrigue and Tsuda 1988: 58. Fucus uvifer Turner 1816: 8, pl. 230 (type locality: Red Sea). Caulerpa uvifera C. Agardh 18 17: 23. Caulerpa uvifera (Turner) Svedelius 1906a: 122, figs 15-1 7; Durairatnam 1961 : 27. Caulerpa racemosa var. uvifera Weber-van Bosse; Okamura 1932 (1929-1932): 53, pl. 280, figs 7, 8; Chapman 1955: 355. (Fig. 27a, b) Plants forming clumps up to 15 cm in diameter, composed of numerous small spreading stolons with relatively short (1-1.5 cm) assimilators densely beset with imbricate ramelli up to 1.5 mm in diameter, disposed radially around the foliar axis. Ramelli club to trumpet shaped, with a semi-hemispherical and somewhat flattened end borne on a distinct stalk up to 2.3 mm long. This dense arrangement of small ramelli imparts a distinctive grape-like appearance to the clusters of plants. Distribution Tropical Pacific and Indian Oceans, Fijian Records Chapman 1971: 166; Kasahara 1985: 31; South 1991: 5; South and Kasahara 1992: 50. Rotuman Distribution Lopta (L6/ USP 375, L12/ USP 376).
Benthic Marine Algae of Rotuma Island 381 Habitat and Remarks Found in generally exposed locations, growing in dense circular clumps on the outer reef, often epizoic on living soft coral heads. Where it occurs together with var. clavifera, the latter tends to occupy the back reef area while var. uvifera dominates the outer reef face, sometimes forming a cover several m2 in area, as at Lopta. This alga is edible, and used in traditional Rotuman dishes as a salad with coconut milk and lemon juice. It is locally known as lum ne Po. Intermediate variety between Caulerpa racemosa (Forsskbl) J. Agardh var, turbinata and var. peltata: Coppejans and Beeckman 1989: 391, pl. 4, fig. 29; Coppejans 1992: 403; Coppejans and Prud'homme van Reine 1992b: 701, fig, 17A; South and N'Yeurt 1993: 130, fig. 25. Plants up to 3 cm long, with no distinct spreading stolon; the foliar branches bearing peltate to sub-discoid or turbinate, terminally inflated ramelli, often on the same branch. There exists a great variety of intermediate forms between the ramelli on a single plant, from characteristically dentate and undulated discs 1.3-1.5 mm in diameter to turbinate, trumpet- shaped ramelli up to 1 mm in diameter. However, the peltate ramelli are slightly thicker than in var. peltata, while the turbinate ramelli have somewhat more flattened ends than occurs in var, turbinata. Hence, it appears to be a distinct intermediate variety, with branchlets numerous on a single upright axis. Distribution Fiji, Papua New Guinea, Indonesia, Kenya. Fijian Record New record for Fiji. Rotuman Distribution Lopta (L9/ USP 442). Habitat and Remarks Generally found on the outer reef, together with var. uvifera and var. turbinata, where it is more abundant than the latter. Caulerpa serrulata (Forsskbl) J. Agardh 1837: 174; Gilbert 1942: 14 (incl. var. typica f. serrulata); 1946: 78; Eubank 1946: 418, fig. 2h-j; Taylor 1950: 57, pl. 30, fig. 1; 1960: 145, pl. 14, fig. 5; 1966: 351; 1977: 10 (as var. serrulata); Egerod 1952: 369; Dawson 1954: 393, fig. 10a; 195d: 38, fig. 23; 1957: 105; Moul 1957: 41; 1959: 164; Gilbert 1961: 440; Meiiez 1961: 53; Trono 1968: 169, pl. 14, figs 1-2; pl. 16, fig. 4, 8; pl. 17, fig. 9; Valet 1968: 43, pl. 9, fig. 1; Womersley and Bailey 1970: 276; Jaasund 1976: 23, fig. 48; Tsuda and Wray 1977: 95; Meiiez and Calumpong 1982: 9, pl. 2E, Dong and Tseng 1984: 284, pl. 141, fig. 1; Payri and Meinesz 1985a: 507; Trono 1986: 218, fig. 14; Lewis 1987: 24; Lewis and Norris 1987: 9; Silva et al. 1987: 108; Garrigue and Tsuda 1988: 58; Abbott 1989: 226; Coppejans and Beeckman 1989: 120, figs 24, 25; Littler et al. 1989: 44; Tsuda 1991: 41; Coppejans 1992: 403; Coppejans and Prud'homme van Reine 1992a: 174; 19926: 701, fig. 20B; Ohba and Enomoto 1992: 28; Verheij and Prud'homme van Reine 1993: 125, pl. 2, fig. 8. Fucus serrulatus Forsskbl 1775: 189 (type locality: Mokha, Yemen). Caulerpa freycinetii C. Agardh 1822a: 446 (type locality Manana 1.) (see Berrgesen 1932: 5); Weber-van Bosse 1898: 310, pl. 25, figs 4-11; pl. 26, fig. 1-6; 1913a: 102; Okamura 1913: 18, pl. 105, figs 1-3 (var. typica f. lata); 1931: 101; Tsuda and Wray 1977: 94; Lewis and Norris 1987: 9 (as var. freycinetti f. lata Weber-van Bosse).
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Benthic Marine Algae of Rotuma Isla
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Benthic Marine Aigae of Rotuma Isla
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Fig. 122. Peyssonnelia sp. Cross-se
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A. D. R. N'Yeurt Fig. 136. Hypnea n
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A. D. R. N'Yeurt Fig. 148. Centroce
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A. D. R. N'Yeurt Fig. 156. Ceramium
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A. D. R. N'Yeurt Fig. 168. Grzffith
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Fig. 181. Heterosiphonia crispella
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Fig. 188. (a, b) Chorzdria dasyphyl
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Fig. 200. Herposiphonia secunda f.
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Rotuman Algal Flora Composition At
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CENTRAL AND SOUTHWESTERN PACIFIC RE
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