109 



exisieiice namely, a slioit list by Okanuira in tlie Japanese 

 Botanical Magazine for 1892 (pp. 117-118), a more lengthy one 

 m the Keic BulleUn pm (pp. 366-373), L\ a paper ^uhlZl 

 t^'o years ago by Okamura, wliieli, besides furi/ishing many 

 additional names, includes all previous records (Tlie Marine 

 fS^^ f ^^om^. .lieport of Imperial Bureau of Fislieries. 

 Scientific Investigations, vol. ii. 1913, pp. 17-30.) The flora of 

 VVei-liai-Avei, .so far as can be judged from our meagre knowledge, 

 evidently resembles in a general way that of Corea and S. Japan 

 though Ave can already see that it possesses distinct species. 



1 he following is a list of Dr. Boyden's algae, together with 

 the other sjiecimens alluded to above: — 



Lettersledtia Japonica, Holmes in Joiirn. Linn. Soc. 



xxxi. p. 50. 



Wei-hai-wei, Get. 1910, Boyden 3. 

 Distrih. Japan. 



Enteromorpha compiessa, Grcv. Alg. Brit. p. 180. 



Wei-hai-wei, June 1913, Boyden 31. 

 Disti'ib. Cosmo2)olitan. 



Chaetomorpha aerea, Kutz. Sp. 379. 



Wei-hai-Avei, Oct. 1910, Boyilen 1. 

 Distrih. Probably cosmopolitan. 



Sargassum Horneri, Aij. Sp. p. 38; Yendo Fucaceae Japan,. 



pp. 74-80. 



Macao and adjacent islands, 1830, G. H. Vnrhel. 

 Distrih. Japan, Corea, China. 



Full notes on the various forms assumed by this 

 sjiecies and on the syuonomy are given by Yendo (I.e.). 



S. Ringgoldianiim, Ilatv. in Pioc. Anier. Acad. Sci. iv. 



p. 327; Yendu I.e. pp. 146-150. 



Prov. Chekiang 1889, E. Faher. 



Distrih. Jaj)aii. Corea, Gulf of Tartaiy. 



Yendo shows that S. corea man, J.Ag. is merely a 

 female plant of this species. 



S. serratifolium, Ag. Sp. p. 80; Yendo I.e. pp. 81 85. 



Sold at Pelvin, Bret--<rhneidcr 201. 



Distrih. Jajjan, Corea. 



The upper part of this species very closely resembles 



S. tortile. 



S. tortile, Ag. Sp. \). 15; Yendo I.e. pp. 85 92. 



Hongknng, //. F. Jlance 1354. 

 Distrih. Japan, Corea, China. 



S. heraiphyllum, Ag. Sp. 39; Yendo I.e. pp. 99-102. 



Formosa, Oldlunn. 

 Distrih. Japan, Corea, China. 



