80 ART. 12. — K. YENDO. 



A specimen sent from the province of Satsuma has every 

 part much elongated and delicate. The stem is almost filament- 

 ous, the vesicles elongated, crowned with a narrow undulated 

 leaflet, and the receptacles unusually pronounced. Undoubtedly 

 an extremity of the present forma. 



Localities: Goto, Hizen Prov. (Kjellman, J. Agardh) ; 

 Korea (Okamuea) ; Iwami Prov. (!); Izumo Prov. (!); Tango 

 Prov. 1^!); Noto Prov. (!); Ugo Prov. (!); Fukuyama (h.s.a.), 

 Hakodate (!), Esashi (h.s.a.), Usujiri (h.h.f.), Oshima Prov.; 

 Otaru, Shiribeshi Prov. (h.s.a.); Ishikari Prov. (h.s.a.); Saghalin 

 (Fenger, J. Agardh); Mouth of Amur (Fenger, J. Agardh); 

 Shoya, Hidaka Prov. (h.s.a.); Pikuchfi Prov. (!); Rikuzen 

 Prov. (!); Shimôsa Prov. (!); Boshü Prov. (!); Sagami Prov. (!); 

 Izu Prov. (!); Shima Prov. (!); Kii Prov. (!); Bungo Prov. (!); 

 " Everywhere along the Pacific and Japan Sea side " (Okamura). 



/. furcatodentatum : Mikawa Prov. (!); Kii Prov. (h. sc. 

 COLL.); lyo Prov. (H. Yamamoto) ( ! ) ; Chikuzen Prov. (M. 

 Yano) (!); Hizen Prov. (K. Oshima) (!). 



Sargassuni filicinuni Harv. 



Plate XL Fig. 8. 



Charact. of New Alg. p. 327. — J. Ag.: Spec. Sarg. Austr. p. 58. — Id.: 

 Anal. Alg. III. p. 50.— De Toni : SylL Alg. III. p. 2L— Id.: Phyc. 

 JajD. Nov. p. 44. 



Remark on the affinity. I have identified a few specimens, which, 

 though fragmentary, exactly accord with the diagnosis and the 

 photograph of the original specimen of the above named species. 

 The plant has a strong resemblance to Sargassum Horneri as 

 well as to Sargassum kiushianum. But the spherical vesicles of 

 the present species readily separate it from the former and the 



