Sept.. 1914 ] YEXnO.—yOTES ON ALG.E XEW TO JAPyiy. Tl. 265 



rank. Collins has already noticed it, as he savs under 

 Ch. clavata var. torta Farl. as follows Fronds loose and 



curled, cells less moniliform than in the type and not increas- 

 ing in diameter upwards so noticeably." I have seen inanv 

 specimens of Ch. clavata KuTz. collected in the West Indies, 

 Cape of Good Hope, Barbados, Rio de Janeiro, Ceylon, etc. 

 They were alwaj-s characterized by having the cells gradually 

 increasing in diameter upwords and by the never curling lila- 



The plant is generally found entangled on other larger 

 alga, mostly Sargassum. Also growing on rocks isolatedly. 

 The colour is deep bluish green and more or less iridescent 



Locality. Pacific coast of the middle Japan. 

 Distribution. Hitherto known from California. 



Cladophora utriculosa Kutz. 



Phyc. Gen. p. 269.-Tab, Phyc. III. Taf. 94. 

 = Cladophora arbusctila KjEi.LM. Alarina Chloroph. Japan p. 27. 

 Taf. 5. fig. 7-14. 



Xumerous species of Cladophora are already recorded from 

 Japan, Most of them, as it appears to me, are not based upon 

 good material and reliable authority. To add one more 

 doubtful member to the already confused group may by no 

 means preferrable. Yet the plant is so common on our coasts 

 that it can no longer be left untouched. 



There is a specimen of Cladophora kept in the Herbarium 

 of the Trinity College, Dublin, collected in Ce_vlon Island and 

 determined by Harvey as CI Thnaitesii Harv. This name is 

 not to be found in De Toxi's Sylloge Algarum. It resembles 

 in general appearance and measurement with a cotype ot CI. 

 fasciculata Kutz. from Nordhausen. The difference, if any, lies 

 on the point that in Cl. Thwaitesii the ultimate raraulets are 

 densely fasciculate while in Cl. fasciculata they are pectinately 



1) The Green Algse of North America, p. ^23. 



