Dasya C. Agardh, 1824

de Clerck, Olivier, Coppejans, Eric, Schils, Tom, Verbruggen, Heroen, Leliaert, Frederik, de Vriese, Thomas & Marie, Daniel, 2004, The marine red algae of Rodrigues (Mauritius, Indian Ocean), Journal of Natural History 38 (23), pp. 3021-3057 : 3040-3041

Dasya C. Agardh

Key to the species from Rodrigues

1 Stichidia bearing tetrasporangia in whorls of four; each tetrasporangium with a single cover cell................. Dasya anastomosans

– Stichidia bearing tetrasporangia in whorls of (five to) six; each tetrasporangium with three cover cells................. Dasya villosa

* Dasya anastomosans (Weber-van Bosse) Wynne, 2002: 542 References: Weber-van Bosse, 1923: 377–378, figure 137 (as Dasyopsis pilosa Weber-van Bosse); Jaasund, 1976: 121, figure 245 (as Dasyopsis pilosa ); Millar,

1990: 429, 433–434 (as Dasya pilosa (Weber-van Bosse) Millar); Abbott, 1999: 325, figure 93A–E (as Dasya pilosa ); Payri et al., 2000: 264, figures p. 265 (as Dasya pilosa ); Littler and Littler, 2003: 128, middle figure p. 129 (as Dasya pilosa ).

Lectotype locality. Ambon, Indonesia.

Voucher. HEC 14744 (zF), 22 September 2001, Grand Baie (s.s. 11) .

Ecology. Epilithic at about low tide level.

Indian Ocean distribution. Bahrain, Kuwait, Oman, Mauritius ( Ballesteros, 1994: 538–539, figure 3 ), Réunion ( Payri, 1985: 640, as D. pilosa ), Rodrigues (this paper), Saudi Arabia, Tanzania.

Note. Wynne (2002: 539–544) pointed out that the correct name for this entity is D. anastomosans (Weber-van Bosse) Wynne, which predates D. pilosa (Weber-van Bosse) Millar.

Figures

FIGS 1–7. Rhodophytes. (1) Gracilaria corticata (HEC 14627). (2) Renouxia antillana (HEC 14804). (3) Platoma cyclocolpa (HEC 14805). (4) Titanophora pikeana (HEC 14875). (5, 6) Cryptonemia crenulata (HEC 14876): (5) general morphology; (6) serrate margin. (7) Cryptonemia crenulata (HEC 15134b): cross-section showing cortex and medulla with densely stained ganglionic cells. Scale bars: 1 cm (1, 3, 4); 2 cm (2, 5); 5 mm (6); 50 Mm (7).