80 



THE BOTANICAL MAGAZINE. 



[V..1. XXXI. No. 363. 



var. cordata Setch. et Gakdn. 



Alg. N. W. Amcr., p. 299. 

 = Iridxa cordata J. Ag. : Spec. II, p, 181.. 

 = Fucus cordatus Turn. : Hist. Ftic, PI. 116. 



As far as is known to me this variety seems to come down 

 to the southern Kuriles but rarely, if ever, to Hokkaido proper. 

 It approaches to f. punicea Setch. et Gakdn. on one side and 

 to I. pulchra Kutz. on the other. 



A second-year form of var. cornucopice, agreeing with /. phyllocarpa V- et P. 



In nat. size. 



Setchell and Gardner referred the variety to Miss Tilden's 

 specimens distributed in her American Algae as No. 328 and No. 

 329 under I. laminarioides and I. heterocarpa respectively. The 

 specimens in the copy in my possession have very little affinity 

 with what I take for this variety. J. Agardh has once synony- 

 mized /. lilacea P. et R. under /. cordata. But the type specimen 



