Hitherto known from : The Indian Ocean. 

 Remarks : Some fragments of fructified branches with no leaves and 

 some sterile fronds were obtained separately being placed in a bottle. 

 Putting them together, they seem to be referable to this species. 



Sargassum ilicifolium (Turn. Fuci. t. 51). J. Ag. Sp. I, p. 318, Sp. 

 Sarg. Austr. p. 94.— De Toni Syll. Alg. Ill, p. 56. 



Hitherto known from : The Indian Ocean, between Borneo and 

 Sumatra ; Samoa. 

 Remarks: Our fragmentary specimens are a little coriaceous and 

 softer than a specimen from Samoa which was sent me by Mr. Heydrich. 



Sargassum duplicatum, J. Ag. Sp. Sarg. Austr. p. 90.— De Toni 

 Syll. Alg. Ill, p. 50.— S. ilicifolium var. duplicatum, J. Ag. Sp. I, p. 

 318. 



Hitherto known from : The Indian Ocean and the lower Pacific 

 at Molucca and Mascarena ; Totomi (Japan). 



Turbinaria Lamour. 

 Turbinaria ornata, Turn. Fuci. I, t. 24, fig. c-h ;— J. Ag. Sp. I, p. 

 266.— De Toni Syll. Alg. Ill, p. 128. 



Hitherto known from : The Pacific Ocean ; the Indian Ocean ; 

 Riukiu ; Formosa. 

 Remarks : Our specimens are dwarf, being 3-4 cm high and agree 

 with a specimen from Mauritius. Petioles are subterete and not swollen. 



Dictyotaceae. 



Dictyota Lamour. 

 Dictyota spinulosa, Harv.— J. Ag. Sp. I, p. 97, Till Alg. Syst. II, 

 p. 100.- De Toni Syll. Alg. Ill, p. 270. 



Hitherto known from : Riukiu and Ogasawara-jima. 

 Remarks : Fructified fronds are densely clothed over both surfaces 

 by filiform or somewhat subulate proliferations. Oospores are scattered 

 over surfaces leaving marginal portion naked. 



Padina Adans. 



Padina pavonia (L.) Gaill.—J. Ag. Sp. I, p. 113.— Harv. Phyc. Brit, 

 pi. 91.— De Toni Syll. Alg. Ill, p. 243. 



Hitherto known : Widely distributed. 



