10 



Hitherto known from: Vera Cruz ; Samoa; Riukiu. 

 Remarks: Our plants agree with a specimen from Samoa, which 

 was sent me by Mr. Heydrich. 



Sphacelariaceae. 

 Sphacelaria Lyngb. 



Sphacelaria tribuloides Menegh.—Kixuck Meeresalg, p. 342, fig. 144 — 

 J. Ag. Sp. I, p, 31.— De Toni Syll. Alg. Ill, p. 502. 



Hitherto known from : The Mediterranean and the Adriatic 

 Sea; the Red Sea; Sunda str. ; Japan; Formosa 



(To be continued.) 



