A Monograjjli of the Genus Alar'a. t)3 



sing ilia?' is.'' This, very likely, should be mentioned under this 

 species. 



Kjellman points out A. csculenta mentioned by Harvey in 

 Flora Esk., p. 1'.), to be probably referrable to this species. In 

 the herbarium of Trinity College, Dublin, I could not find any 

 specimen which might be supposed to be the source of the in- 

 formation. I doubt if Kjellman consulted Eathrock's sketches of 

 algae before making the remark. 



Localit//. Spitzbergen (J. Agardii) ; Pitlekaj (K.jellman) ; Kol- 

 jushin Isle (Kjellman) ; Bering Sea (Kjell:\ian) ; Konyam Bay 

 (Kjellman) ; St. Lawrence Island (Kjellman) ; Unalaska Bay 

 (Setchell) ; Agattu Island (Setchell and Townsend) ; Petro- 

 paulowsk, Kamtschatka (Ruprecht) ; Sakhalin (T. Miyaké, Herb. 

 S. A. C). 



Alavia mavginata Post, et Rurn. 



(Plate VI, fig. 1-4; Plate XIX, fig. 4.) 



Illustr. AlçT., p. 11. — Setchell: Critical Notes on Lam., p. 10. — 

 Collins: Mar. Al^f. Vaneouver I^I., p. 110 (excl. var.). 



= Alaria lanceolaia Coll., Holden et Setch. : Pl)yc. Bor.-Auier. 



No. XLIV. 

 = Alaria prcdonga Setch. et Gardn. : Alg. N. W. Coast of N. 



Amer., p. 274. 

 = Alavia cordata Tilden: Amer. Algae, No. 241.— Saunder.s : 



Harr. Alaska Exped., Algae, p. 426, PI. LVL 

 = Alaria striata J. Ag. : in Herb. J. Agaedh. 

 = Alana curtlpes Saunders: Minn. Bot. Studies, Vol. II, p. 



561, PI. 33. 

 = Phasganon marginatum Rupe. Tange des och. Meeres, p. 3oö. 



Definition of tJic species. Root, holdfast of dendritic ramifica- 

 tion. Blade linear, 2-4 meters in length, 15-30 cm. in breadth, thick 

 and coriaceous, finely striated when old, cryptostomata wanting. 



