58 



THE BOTANICAL MAGAZINE. 



[Vol. XXX. No. 350. 



oltcii hardly (listinct from it. The plant, however, is charae- 

 tcrized b}' having narrow linear segments and entire ab.sence 

 of the papillose processes on the surface of frond. In the 

 specimens from the vicinity of Otaru Bay we often find a 

 terminal segment grown up into a much broader foliose 

 frond as shown in the figure. Such I have never seen in the 

 Kurile specimens nor in those from the Uchotsk. Whether this 





Fig. 4. O'igarlina oc/iolensis Kupj;. 

 a. Sjieeinien from Otaru Bay, drawn from a living 



plant. 

 bnl. Specimens from tho Kurile Islands, drawn 



from dried material. All in nat. size. 



new foliose part become fructified or remain sterile for the 

 whole life is a question not j'ct answered. 



Locality. Kurile Islands(!); on the coast around Otaru 

 Bay(!). 



Distribution. North-eastern coasts of the Ochotsk Sea. 



Gigartina mamillosaj. Ac. 



Alg. Mcdit. p. 104.— Id.: Spec. Alg. 11, p. 27o.— Id.: Epicris, p. 

 191).— IIarv.: riiyc. Brit. IM. 199.— Hauck: Mceresalgcii, p. 137, fig. 

 55.— Dh To.\i: Syll. A1-. IV. p. 21S. 



= G. mamiUaris f. vulgaris Harv.: Notes of Alg. X. W. coast of 



N. Amcr. p. 172. 

 = G. mamillosa f. dissecta Sktch.: I'liyc. Bor.-Aiucr. No. 1-27 — 

 Sctch. and Gardn.: Alg. of X. v\'. Aiucr. p. 3U2. 

 (for other rcferrcnccs, sec: Dk Tom, I.e.). 



This species is separated from G. unalaskensis RurK. to 



