200 2'///? BOTANICAL MAGAZINE. [Vol. xxxi. No. 367. 



an independent species. Reinbold notes some resemblance 

 between his plant and S. filifolium J. Ag., S. Boveanum J. Ac, 

 S. Vayscrianum Mont., etc., but seems to have passed over 

 S. hemiphyllum J. Ac, detailed by me in Fucaceae of Japan. 



Locality. Awa Prov. (J. Nikai, No. 1569); Cape Nomo, 

 Hizen Prov.(!); Goto Islands, Hizen Prov.(!); Nagato Prov. 

 (J. Nikai, No. 2595); Tajima Prov. (Prof. K. Miyake). 



Distribution. Kangeang Islands, Dutch Indies. 



Sargassum cervicorne Grev. 



Alg. Orient, in Ann. Mag. Nat. Hist. Scr. 2, Vol. Ill, p. 217, 

 PI. IX, and in Trans. Bot. See. Edinb., Vol. Ill, p. 96, PI. X.— 

 J. Ac: Spec. Sarg. Austr., p. 87.— De Toni : Syll. Alg. III. p. 46. 

 = Sargassum Swarzii /3 obovatum Ac : System, p. 296. 

 = Sargassum Bindcri J. Ac p.p., Spec. Alg. I, p. 328. 

 = Sargassum dumosum Grev. : Alg. Orient, in Ann. Mag. Nat. 



Hist. Ser. 2, Vol. 2, p. 433, PI. XIII and in Trans. Bot. Soc. 



Bdinb. Vol. Ill, p. 92, PI. VIII. 

 = Sargassum cinctum J. Ac? Yendo : Fucaceae Jap., p. 137, PI. 



XVI, fig, 15-16. 



I have once identified a fragmentary specimen from Hiuga 

 Prov. with S. cinctum J. Ac. with query. Oil studying the 

 type specimen of the species at Lund, I found my identification 

 quite wrong. Last summer, on the west coast of Kiushu, I 

 have collected several complete specimens which undoubtedly 

 belong to the same species with the ITiuga specimen. By close 

 examination on them I have slight doubt in determining 

 them as S. cervicorne, Grev. 



The combination of S. dumosum Grev. and S. cervicorne 

 Grev. into one, as done by J. Agardh, is epiite acccptible. In 

 my specimens, the receptacles in a cluster are more separated 

 than illustrated bj' Greville under S. dumosum, often provid- 

 ed with short but evident stalks. The species appears, there- 

 fore, to be classified under the tribe Biserrulae and not under 

 the Glomerlatae, placing it near by S. coriifolium J. Ac 



