196 KJELLMAN, THE ALG^ OF THE ARCTIC SEA. 



Maasö, Gjesvser, the soiith coast of Magerö, Öxfjord, pretty comraon and plentiful 

 every-where. 



The Greenland Sea: Beeren Eilaiid; the west and north coasts of Spitzbergen; 

 conapare above. 



The Murman Sea: the coast of Riissian Lapland. 



The White Sea: pretty comnion. 



Baffin Bay: Cuiuberland Sound; the west coast of Greenland at Sraallesund, 

 Fiskernajs, Sukkertoppen, Godhavn, Whale Islands, and drifting in the sea ofif Lich- 

 tenau and at Lat. N. 73° 50'. 



Gen. FuGUS (Tourn.) Dcsne et Thur. 

 Eech. Fuc. p. 13; Toubn. Inst. Herb. 3, p. 565; char. mut. 



Fucus serratus L. 



Spec. Plant. 2, p. 1158. 

 Descr. Fucus serratus Aresch. Fuc. et Pycnoph. p. 101. 



f. grandifrons nob. 



f. robusta, thalli segmentis plurimis ad costas reductis, summis membranaoeo-coriaceis, 2 cm. latitudine 

 excedentibus, argute et profunde serratis, receptaculigeris prsesertim abbreviatis, apicibus rotundato-truncatis; 

 cryptostomatibus sat nuraerosis. 



f. abhreviata nob. 



f. parvula, 15 — 20 cm. älta, thalli segraeutis plurimis ad costas reductis, summis membranaceo-coriaceis 

 circa 1 cm. latis, parce obsoletiusque serratis, abbreviatis, apicibus rotundato-truncatis; cryptostomatibus numerosis. 



f. arctica J. G. Ag. 



Fucus serratus var. areticus J. G. Ag. Spetsb. Alg. Bidr. p. 9. 



f. thalli segraeutis complurium ordinum alatis, summis ooriaceo-membranaceis, circa 1 cm. latis, parce 

 obsoletiusque serratis, apicibus subrotuudatis; cryptostomatibus fere nullis. 



typica nob. 

 f. elongata, thalli segmentis complurium ordinum alatis, summis subcoriaceis vel coriaceis, 1,5 — 2,5 cm. 

 latis, plus minus crebre et argute serratis, elongatis, apicibus Iruncatis; cryptostomatibus numerosioribus. 

 Fitj. Fucus serratus Hakv. Phyc. Brit. t. 47. 

 Exsico. » » Aresch. Alg. Scand. exsicc. N:o 55. 



f. angusta nob. 



f. elongata, thalli segmentis complurium ordinum alatis, summis subcoriaceis, circa 1 cm. latis, profunde, 

 plus minus crebre et argute serratis, elongatis, apicibus truncatis; cryptostomatibus sat numerosis. 

 *Sy?2. Fucus serratus i. G. Ag. Euum.; Spetsb. Alg. Bidr. p. 9, 11. 



» « Aresch. Phyc. Scand. p. 258. 



» « GoBi, Algeufl. Weiss. Meer. p. 57. 



» » GuNN. Fl. Norv. 1, p. 28. 



» » Kjellm. Algenv. Murm. Meer. p. 28. 



