196 KJELLMAN, THE ALGA OF THE ARCTIC SHA. 
Maasé, Gjesver, the south coast of Magerdé, Oxfjord, pretty common and plentiful 
every-where. 
The Greenland Sea: Beeren Eiland; the west and north coasts of Spitzbergen; 
compare above. 
The Murman Sea: the coast of Russian Lapland. 
The White Sea: pretty common. 
Baffin Bay: Cumberland Sound; the west coast of Greenland at Smallesund, 
Fiskernes, Sukkertoppen, Godhavn, Whale Islands, and drifting in the sea off Lich- 
tenau and at Lat. N. 73° 50’. 
Gen. Fucus (Tourn.) Desne et Tuur. 
Rech. Fuc. p. 13; Tourn. Inst. Herb. 3, p. 565; char. mut. 
Fucus serratus L. 
Spec. Plant. 2, p. 1158. 
Descr. Fucus serratus Arescu. Fue. et Pycnoph. p. 101. 
f. grandifrons nob. 
f. robusta, thalli segmentis plurimis ad costas reductis, summis membranaceo-coriaceis, 2 em. latitudine 
excedentibus, argute et profunde serratis, receptaculigeris presertim abbreviatis, apicibus rotundato-truncatis ; 
cryptostomatibus sat numerosis. 
f. abbreviata nob. 
f. parvula, 15—20 em. alta, thalli segmentis plurimis ad costas reductis, summis membranaceo-coriaceis 
circa 1 cm. latis, parce obsoletiusque serratis, abbreviatis, apicibus rotundato-truncatis; cryptostomatibus numerosis. 
t. arctica 3. G. XG. 
Fucus serratus var. arcticus J. G. Ag. Spetsb. Alg. Bidr. p. 9. 
f. thalli segmentis complurium ordinum alatis, summis coriaceo-membranaceis, circa 1 cm. latis, parce 
obsoletiusque serratis, apicibus subrotundatis; cryptostomatibus fere nullis. 
typica nob. 
f. elongata, thalli segmentis complurium ordinum alatis, summis subcoriaceis vel coriaceis, 1,5—2,5 em. 
latis, plus minus crebre et argute serratis, elongatis, apicibus truncatis; cryptostomatibus numerosioribus. 
Fig. Fucus serratus Harv. Phyc. Brit. t. 47. 
Exsicc. » » ArescH. Alg. Scand. exsicc. N:o 55. 
J 
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. 
Syn. Fucus serratus J. G. Ac. Enum.; Spetsb. Alg. Bidr. p. 9, 11. 
» » ArescH. Phyc. Scand. p. 258. 
» » Gost, Algenfl. Weiss. Meer. p. 57. 
» » Gunn. Fl. Norv. 1, p. 28. 
» » Kyetim. Algenv. Murm. Meer. p. 28. 
