— 193 — 
Turbinaria Lamx. 
28. T. conoides Kg. Tab. phyc. X. p. 24, t. 66; Barton, Turbin, 
in Transact. Linn. Soc. 1891 p. 217, t. 54: De Toni Syll. IM. p. 126. — 
T. vulgaris v. conoides J. Ag. Spec. I. p. 267. 
Koh Kahdat, in 1—2 fathoms water attached to stones; Koh Chang- 
Strait at Lem Ngob, cast ashore. 
Area: Red Sea; Indian and Pacific Oceans. 
Sphacelariaceae. 
Sphacelaria Lgby. 
28a. Sph. furcigera Kg. Tab. phyc. V. p. 27, t. 90. 
On Lurbinaria. 
Koh Kahdat, in 1—2 fathoms water. 
Area: Red Sea; Indian and Pacific Oceans. 
Ectocarpaceae. 
Ectocarpus Leby. 
29, EK, indiens Sond. in Zoll. Verz. p. 3; De Toni Syll. Hl. p. 546. — 
E. amicorum Harv. Alg. Friend]. Isl. Nr. 8. 
Plurilocular sporang. 
Off Koh Mesan, attached to a floating cocoa-nut. 
Area: Warm Pacific (Java; N. Guinea; Friendly Isl.). 
30. E. simpliciusculus Ag. in Bot. Zeit. 1827, p. 639. var. Vitiensis 
Asken. Gazelle. p. 20. t. 5; De Toni Syll. IIL p. 496. (?) 
Too fragmentary, therefore doubtful as to species. 
Koh Chang Noi, on coral-reef in shallow water. 
Area: Fidji Islds.; E. Australia, Sandwich {slds. 
Encoeliaceae. 
Colpomenia Derb. et Sol. 
31%. €, sinuosa (Roth) Derb. et Sol. Mém. p. 11, t. 32; De Toni 
Syll. II. p. 489. — Encoelium sinuosum Ag. — Asperococeus sinuosus 
Bory. — Ulva sinuosa Roth. Catal. Ill. p. 327, t. 12. 
Koh Chang-Strait at Lem Ngob, Koh Kahdat, cast ashore. 
Area: Mediterranean; Atlantic; Red Sea; Indian and Pacific Oceans. 
(Siam, Simaharadscha). 
13* 
