268 



THE BOTANICAL MAGAZINE. CVoi. xxvin. Ko. 333- 



Valonia utricularis Ac. 



Spec. Alg. 1, p. 431.— J. Agardh ; Till Alg. System. VIII, p. 98.. 

 —Weber van Bosse : Liste des Algues du Siboga, p. 60. 



The present species has for a long time known to be limited 

 to the warmer parts of the Atlantic Ocean and the Mediterra- 

 nean Sea. Quite recently, in Liste des Algues du Siboga, I.e.. 

 Madam Weber van Bosse reported its occurrence in various 

 parts of the Dutch India. The localties within our boundaries 

 may well indicate the northern limit of its distribution on the 

 east coast of Asia. 



Locality. Botel Tobago, Formosa (T. Kawakami) : Loo- 

 choo (Prof. K. Miyake). 



Distribution. West Indies, Bermuda, Mediterranean Sea, 

 Dutch India. 



Ascothamnion intricatum Kutz. 



Phyo. Gen. p. 313. 

 = Valonia intricata Ac. Spec. p. 430. 



Locality. Goto, Hizen Prov. (Urabe, No. 7). Undoubtedly 

 the northern limit of the distribution in the Pacific Ocean. 



Distribution. Mediterranean Sea, Bermuda, Guadeloupe, 

 New Holland, Friendly Islands, Ceylon, and Cape Colony. 



Sphacelaria radicans Ag. 



System, p. 165. 



Among no less than 9 species of Sphacelaria on our coast, 

 only 3 were determined with certainty. One of the species un- 

 determined is now satisfactorily proved to be Spbacnlaria radi- 



Locality. Kamo, Uzen Prov. (T. Hikiua). 

 Distribution. Eu ropean and American coasts of the Atlant- 

 ic Ocean. 



