OF THE i CHALLENGER ■ EXPEDITION. 243 



FUCAOEJE. 



Sargassum latifolium, Turner 



S. gracile, Ag. 



S. parvifolium, Turner. 



TuRBINARIA VULGARIS, Ag. 



Dictyotace;e 



Padina Pavonia, L. 



DlCTYOTA DICHOTOMA, Huds. 



CoRALLINACEjE. 



Amphiroa fragilissima, L. 



SPHJEROCOCCOIDE.E 



Gracilaria eucheumoides, Harv. 



Gelidiaceje. 



Gelidium rigidum, Vahl. 



SlPHONACEiE. 



Halimeda Opuntia, Lamx. 

 H. macroloba, Dne. 



CODIUM TOMENTOSUM, Stackk. 



C. ADHERENS, Ag. 



Dasyclade.e. 



POLYPHYSA SPICATA, Ktz. 



This very peculiar Alga was first described and figured in 1861 

 by Professor Kiitzing from "Island of Balade, New Caledonia," 

 where it was found by Vieillard. 



Ulvace^:. 



Ulva reticulata, Forsk. 



"The following were found at Zamboanga, Philippines, in 3 to 5 



feet depth ": 



Fucace*;. 



Sargassum ilicifolium, Turner. 



DlCTYOTAOEiB. 



Padina Pavonia, L. 



