120 KJELLMAN, THE ALG^ OF THE ARCTIC SEA. 



Geogr- Distrib. This species belongs to both regions of Polar Sea, the At- 

 lantic as well as the arctic, but in the latter it has only a limited distribution. It 

 goes far northwards in Baffin Bay, where it is said to be found at Lat. N. 73° 20'. 

 It reaches its maximum of frequency in the Norwegian Polar Sea. The most com- 

 mon form is f. typica; f. roseola is known to me only from the southern part of the 

 Norwegian Polar Sea. 



Localiiies: The Norwegian Polar Sea: at Nordlanden common and abundant, at 

 Finmarken common and abundant on open shores, at Maasö, Gjesva3r and Öxfjord, at 

 Talvik and in Magerö sound. 



Tke Murman Sea: on the coast of Russian Lapland and of Cisuralian Samoyede-land. 



The White Sea: scarce (?). 



Baffin J.Uiy: probaldy pretty plentiful on the west coast of Greenland, as at 

 Julianeshaab, Araeralik, Godthaab and at Lat. N. 73° 20', Long. W. 57° 20', Egedes- 

 minde (?). 



Polysiphonia Brodi tei (Dillw.) Grev. 



in HooK. ?,rit,. Pl. 2, p. 328; Gonferva Brodisei Dtllw. Brit. Oonf. t. 107. 



f. Kutzingii nob. 



f. parviila, circa 6 cm. älta, ca3spitosa, densa. 

 Fig. Polysiphonia Brodiaei Kiitz. Tab. Pliyo. 14, t. 1. 



f. Agardhii nob. 

 Descr. Hutcliinsia Brodiiei a Ag. Spec. Alg. 2, p. 63. 

 Exsicc. Polysiphonia penicillata AuRSCii. Alg. Scand. exsicc. N;o 64. 



f. Lynghyei nob. 

 Descr. Hutchinsia Bi-odisbi Lyngl). llydr. Dan. p. 109. 

 Ficj. « » » » « t. 33. 



Cl. läxa nob. 



forma seqiicnte robustior, peniciUis ranuilornm paucioribus, permagnis, distantibus. 



(i. confluens nob. 



forma pnnicillis ramulorum cveberrimis, apiccm axis priniarii versiis valde approximatis, confluentibus. 

 Syn. Polysiphonia Brodioei Kleen, Nordl. Alg. p. 13. 



Remark on the definition on the form. In Kleen's collections, that are rich in 

 specimens of this species from the Norwegian Polar Sea, there are to be found three 

 distinctly marked forms, besides several iiitermediate ones. Unfortunately this algologist 

 has given no information as to their oceurrence and habitat. The form denominated 

 by me f. Kutzingii, much resend)les in habit a low Rhodomela, lycopodioides f. läxa. It 

 agrees in ramification with the plant figured 1. c. by Kutzing under the name of P. 

 Brodieei, with which however the diagnosis given by him in Spec. Alg. of an homony- 

 mous alga accords but littlc. In the last-quoted passage he means apparently the same 

 form that Agardii describes in Spec. Alg. under the name of Hutchinsia ■penicillata. 



