1871.] Q, v. Martens— List of Alga, 469 



POLYSIPHONIE.E. 



Polysiphonia, Grev. 

 1. P. rufo-lanosa, Harvey. — Arracan, Akyab, on grasses, &c, in 

 brackish creeks of western coast. Decemb. (K. 1849). 

 Laurencie^e. 



Laurencia, Lx. 

 1. L. oltusa, Lx. — Arracan, on marine sandstone banks of Bo- 

 ronga Island. Octob. (K. 1946). 



ACANTHOPHORA, Lx. 



1. A. Thierry i, Lx. — Arracan, rare on the marine sandstone 

 banks of Boronga Island. Octob. (K. 1954). 



Delesserie^e. 



Aglaophyllum, Mont. 



1. A. multipartitum, Kg. — South Andaman, Camping Bay. 

 (K. 1589). 



Hypoglossum, Kg. 



1. H. Vieillardi, Kg. — Arracan, frequent on sandstone rocks 

 and old branches, or on the submerged mangrove stems, not only 

 in the tidal channels of Kolodyne-river, but also along the sea 

 coast. Octob. (K. 1963).— Perhaps only a juvenile state of H. 

 Leprierrii. 



