128 THE VOYAGE OF H.M.S. CHALLEXGER. 



OSCILLATOKIA CE^. 



Lyngbya majuscula, Harv. 



Lyncjbya majuscula, Harv., Man., p. 160, efc Nereis Bor.-Am., iii. p. 101, t. 47, A. ; Kiitz., Sp. Alg., 

 p. 283 ; Dickie in Journ. Linn. Soe. Lond., xv. p. 489. 



Bermudas. Moseley; Rein. 



Florida Keys ; "West Indies ; eastern coast -of the North Atlantic ; Ceylon ; Polynesia ; 

 Mauritius. 



CHAEACEiE. 

 Chara gymnopus, A. Braun. 



Chara gymnopus, A. Braun, Schweiz. Char., 1849, p. 13, et Fragm. Monogr. Char., ed. Nordst., p. 189. 



Bermudas. — In pools — Lefroy; Farlow. 



As limited by Braun, this is an exceedingly variable and widely dispersed species. 



