Feldmannia Hamel

Coppejans, Eric, Leliaert, Frederik, Verbruggen, Heroen, de Clerck, Olivier, Schils, Tom, de Vriese, Thomas & Marie, Daniel, 2004, The marine green and brown algae of Rodrigues (Mauritius, Indian Ocean), Journal of Natural History 38 (23), pp. 2959-3020 : 2998

Feldmannia Hamel

* Feldmannia irregularis (Kützing) G. Hamel, 1939 : XVII References: Jaasund, 1969: 206, figure 6 (~ Feldmannia irregularis (Kützing) G.

Hamel); Clayton, 1974: 777, figures 19, 20 (~ Giffordia irregularis (Kützing)

Joly); Jaasund, 1976: 35, figure 71 (~ G. conifera (Børgesen) Taylor ); Tseng,

1984: 168, pl. 85, figure 4 (~ Feldmannia irregularis ); Womersley, 1987: 42,

figures 6D , 8A–C ; Littler and Littler, 2000: 242, figure p. 243.

Type locality. Adriatic Sea.

Vouchers. HEC 14645 (zF), 19 September 2001, Gravier (s.s. 16) ; HEC 14750 (zF), 22 September 2001, Grand Baie (s.s. 11) ; HEC 14838 (zF), 27 September 2001, Baie de l’Hermitage (s.s. 17) .

Ecology. On sand-covered rock under the overhanging limestone cliff wall at high tide level, as well as in the low intertidal, epilithic and epiphytic on

Codium .

Distribution. Australia, Bangladesh, India, Kuwait, Maldives, Mauritius ( Børgesen, 1941: 22–31, figures 8–11 ; 1948: 44), Mozambique, Pakistan, Rodrigues (this paper), Saudi Arabia, Somalia, South Africa, Sri Lanka, Tanzania, Yemen.

Hincksia Gray

* Hincksia mitchelliae (Harvey) P. Silva , in Silva, Meñez and Moe, 1987: 73, 130

References: Børgesen, 1948: 44–45, figure 23 (~ Ectocarpus mitchelliae Harvey ); Jaasund, 1976: 35, figure 35 (~ Giffordia mitchelliae (Harvey) Hamel ); Tseng, 1984: 170, pl. 86, figure 2 (~ G. mitchellae ); Lawson and John, 1987: 108, pl. 11, figure 1 (~ G. mitchelliae ); Womersley, 1987: 52, figures 10D, 12E–G (~ G. mitchelliae ); Dinh et al., 1993: 115, figure 78 (~ G. mitchellae ); Cribb, 1996: 47, figure p. 46 (~ G. mitchelliae ); Littler and Littler, 2000: 242, figure p. 243; Payri et al., 2000: 128, figure p. 127.

Type locality. Nantucket , Massachusetts, USA .

Vouchers. HEC 14709 (zF), 20 September 2001, Rivière Banane (s.s. 12) ; HEC 14725 (zF) and HEC 14721 (zF), 21 September 2001, Petite Butte (s.s. 24) ; HEC 14748 (zF): 22 September 2001, Grand Baie (s.s. 11) .

Ecology. On shell debris and pebbles, on silty sand, or epiphytic on Turbinaria , Sargassum and Codium , under mean low water mark.

Distribution. Australia, Bangladesh, India, Iran, Kenya, Kuwait, Mauritius ( Børgesen, 1941: 7–16, figure 1–6 ; 1948: 44–45, figure 23 ), Pakistan, Réunion ( Payri, 1985: 640), Rodrigues (this paper), Saudi Arabia, Seychelles, South Africa, Tanzania.

Figures

FIGS 2–6. Chlorophyta. (2) Microdictyon tenuius, detail of branching and anastomosing patterns (HEC 14849). (3) Bryopsis pennata var. pennata, branchlets of last order contiguous and in a single plane (HEC 14796 p.p.). (4) Bryopsis pennata var. leprieurii, branchlets of last order interrupted and in a single plane (HEC 14757).(5) Bryopsis pennata var. secunda, branchlets of last order curved in one direction (HEC 14796 p.p.). (6) Chamaedoris delphinii (HEC 14617). Scale bars: 250 mm (2); 5 mm (3–5); 1 cm (6).

FIGS 19–24. Chlorophyta. (19) Caulerpa nummularia, proliferating from primary, peltate assimilator (HEC 14609 p.p.). (20) Rhipidosiphon javensis (HEC 14763). (21) Udotea sp. (HEC 14759). (22–24) Udotea palmetta (HEC 14817): (22) general morphology of large, fertile specimen; (23) gametangia growing from the blade surface; (24) gametangia growing from the blade margin. Scale bars: 2 mm (19, 20); 1 cm (21, 22); 1 mm (23); 500 mm (24).

FIGS 7–13. Caulerpa brachypus, variation in the general morphology and margin structure of the assimilators. (7) Large growth form collected in grooves between bumps of coral rubble, frequently branching and with secondary stolons (HEC 14867). (8) Intermediately large growth form with wide assimilators (HEC 14769). (9) Intermediately large growth form with relatively narrow assimilators (HEC 14656a). (10) Typical specimen with simple or scarcely branched assimilators (HEC 14612). (11) Assimilator with smooth margin (HEC 14612). (12) Assimilator with coarsely dentate margin (HEC 14656a). (13) Assimilator with densely dentate margin (HEC 14718). Scale bars: 2 cm (7–10); 1 mm (11–13).

FIG. 1. Sampling stations. See table 1 for a list of the stations and their GPS coordinates. Map redrawn from Wells (1988). The outer grey line represents the fringing reef.