]24 THE BOTANICAL MAGAZINE. [voI.xxiil N0.270. 



Harr. Mask. Expcd. Algae, p. 430.— Setch. et Gard.: Alg. N. W. 

 Amer. p. 264. 



=Laminaria triplicata Post, et Run*.: Illustr. p. 10, Tab. X. — 

 Ktrrz.: Spec. Alg. p. 574.— J. Ac: Spec. Alg. I. p. 13G. 



It is not unnatural to find this species in the northern Kuriles, 

 as it has been already known to occur in Kamtchatka and the 

 Behring Island. It seems to attain to the greater length than 

 has hitherto been reported. The following is some examples of 

 measurements taken by the writer from the fresh materials. 



No. of 

 specimens. 



I. 



Length 

 of stem. 



7.0 cm. 



Length 

 of blade. 



190 cm. 



Maximum bread tl 

 of blade. 



5.5 cm. 



II. 



8.3 



143 



9.0 



III. 



4.2 



89 



G.O 



IV. 



broken. 



480 



9.5 



Loc. Shimushu Island. 



Laminaria dentigera Kjellm. 



Om Beringhafvets Algfl. p. 45, Tab. 2. fig. 10-14.— De Toni : Syll. 

 Alg. III. p. 342. 



=Hafgygia Bongardiana f. normalis Aresch.: Obs. Phyc. IV. p. 

 5, ex parte (sec Kjellman). 



Our specimens have their stipes as long as 40-50 cm. Set- 

 chell and Gardner distinguished two forma; brevipes and 

 longipes in this species. Ours seem to approach more to the 

 latter. 



Loc. Shimushu Island. 



Laminaria bullata 1. subsimplex Setcii. et Gard. 



Alg. N. W. Amer. p. 257. 



I identify to the above mentioned formae a plant which 

 accords very well to the description of L. bullata given by 

 Kjellman in Beringhafvets Algfl. p. 4G, and more satisfactorily 



