Vol.1] Set ch ell- Gardner. — Alqm of Northwestern America. 255 



Laminaria Bongardiana f. elliptica Kjellman. 



Oil rocks, oil exposed coasts, at low water mark. West shore of 

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

 No. 3245! , ill Collins, HoldenandSetcliell, P. B.-A., No. xxvm! ; 

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

 Alaska, Rev. Alh'ni John sou ! ; Sitka, Alaska, ir..4 ./S'. and A. A .L., 

 No. 5203! 



Kjellman lias substituted this form name for Areschong's 

 form name normalis, and it has seemed best to follow him in it. 

 Areschong's plant probably came from Sitka (cf. Aresehoug, 

 1883, p. 5). It is ])rol)ably, also, the pahnaia-iuvm of Postels 

 and Rnprecht (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. ticniata in the 

 obtuse or even slightly cordate base. 



On timl)ers of a float. Sitka, Alaska, ir.A.N. and A.A.L., 

 No. 5202a! 



Laminaria Bongardiana f. bifurcata P. & R. 



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

 Alaska, ir. 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 Ainaknak Island, 

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



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

 sharply euneate 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 



