Hydrolithon (Foslie) Foslie, 1909

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 : 3030

Hydrolithon (Foslie) Foslie

* Hydrolithon farinosum (Lamouroux) Penrose and Chamberlain var. chalicodictyum (Taylor) Serio, 1994: 969

References: Taylor, 1939: 10, figures 13, 14, pl. 1, figures 1–3 (as Fosliella farinosa var. chalicodictya Taylor ); Coppejans, 1983: figures 281–289 (as F. farinosa var. chalicodictya ); Schneider and Searles, 1997: 189–190, figures 1–3 .

Type locality. Old Province Island , Nicaragua .

Voucher. HEC 14876b (zF), 1 October 2001, Totor (s.s. 9) .

Ecology. Epiphytic on Cryptonemia crenulata , at 8 m depth.

Indian Ocean distribution. Rodrigues (this paper).

Note. This is the first record of this taxon in the Indian Ocean.

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).