vol.i] Setchell— Gardner. — Algce of Northwestern America. 255 



Laminaria Bongardiana f. elliptica Kjellman. 



On rocks, on exposed coasts, at low water mark. West shore of 

 Amaknak Island, Bay of Unalaska, Alaska, W.A.S. and A.A.L., 

 Xo. 3245 ! . in Collins, Holden and Setchell, P. B.-A. , No. xxvm ! ; 

 Orca, Alaska, W.A.S. and A.A.L., No. 5155!; Yakutat Bay, 

 Alaska. Rev. Albin Johnson ! ; Sitka, Alaska, W.A.S. and A. A .L., 

 No. 5203! 



Kjellman has substituted this form name for Areschoug's 

 form name normal is. and it has seemed best to follow him in it. 

 Areschoug's plant probably came from Sitka (cf. Areschoug, 

 1883, p. 5). It is probably, also, the palmata-fovm of Postels 

 and Ruprecht (1840. p. 10) from Kamtschatka 



Laminaria Bongardiana f. oblonga Setchell and Gardner 

 f. nov. 



Differs from the preceding form in the narrower and undivided 

 or only slightly divided blade, and from the f. tozniata in the 

 obtuse or even slightly cordate base. 



On timbers of a float. .Sitka. Alaska. W.A.S, and A.A.L., 

 No. 5202a! 



Laminaria Bongardiana f. bifurcata P. & R. 



With the /. elliptica, when found growing. Near Iliuliuk, 

 Alaska, W. A.S. ! (specimen not preserved); floating, Unga, 

 Alaska. A.A.L.. No. 5061a! 



This is only a case of regeneration after an unusually deep 

 split passing down from the blade into the stipe. 



Laminaria Bongardiana f. taeniata (P. & R.) Kjellman. 



With the f. elliptica. on rocks exposed to the waves, forming 

 a fringe at low water mark. West shore of Amaknak Island, 

 Unalaska, Alaska. W.A.S. and A.A.L., No. 3245a! 



This is simply a narrow, more or less undivided form with 

 sharply cuneate base. 



Laminaria Andersonii Farlow. 



On rocks in the upper portion of the sublitoral zone. West 

 coast of Whidbey Island, Wash., N.L.G., Nos. 110a!, 275! 



This species may be told from the other digitate species of our 

 territory by the position of the circle of mucilage ducts which are 



