April 1918.1 YENDO.— NOTES ON ALG^ NEW TO JAPAN. Vm. 81 



coincide with the illustration of C. irregulare Kutz. in Tab. 

 Phyc., XIII, I.e. 



Locality. Cape Inuboi(I). 



Distribution. West coast of Europe. 



Grateloupia dichotoma J. Ac? 



Alg. Medit., p. 103.— DeToni: Syll. Alg., IV, p. 1559.— Woroni- 

 chin : Rhodophyc. des Schwarz. Meeres, p. 297, Tab. II, fig. 2. 

 (For Synonymes and other references, see: De Toni, I.e.). 



The present species is represented in the Agardhian Herba- 

 rium by many specimens of diverse appearances. Our specimens 

 agree with some of them. Such forms as illustrated in Kutzing's 

 Tab. Phyc, XVII, Taf. 28, fig. c-e, and VII, Taf. 27, fig. c-d, 

 are not found in our collections. 



A dwarfed form of Nemastoma livida Harv., which itself is 

 one o f ,the problematic species of Japan, is almost inseparable 

 from the present. The determination is hence with certain 

 amount of doubt. 



Locality. Hakodate (! ); Tappi (Rosenbaum:), Asamushi 

 (Rosenbaum), Shimofuro(!), Mutsu Prov. 



Distribution. Mediterranean Sea; Black Sea; Tingin; Bovi- 

 sund, England; Brest, France; West Indies? 



Sapporo, Feb. 21, 1918. 



