240 DICKIE ON ALGiE FROM GREENLAND, ETC. 



Elacliista flaccida, Aresch (?). On Desmarestia aculeata. 



Whale Isl. 

 Myrionema strangulans, Grev. A minute plant, probably 



identical with this species, was found infesting Callitham' 



nion Rothiiy at low-water-mark, Hunde Isl. 

 Ectocarpacece. 



Chsetopteris plumosa, Kutz. Hunde Isl., 25-30 fathoms ; on 



the beach. Whale Sound. 

 Ectocarpus littoralis, Lyngb. Fiskernaes ; Hunde Isl., 50- 



100 fathoms ; and floating in lat. 73° 20' N. 

 E. Durkeei, Harv. (?). Fragments apparently of this species, 



mixed with the following. 

 E. Landsburgii, Harv. Hunde Isl., 70-80 fathoms. 



2. Bhodospermese; 



Rhodomelacece. 



Polysiphonia nigrescens, Grev. Fragments apparently of this 

 variable species were found at Hunde Isl., 40-50 fathoms ; 

 and cast up in Whale Sound. 

 CorallinacecB. 

 Melobesia polymorpha, Linn. Erebus-and-Terj'or Bay, in 15 



fathoms. 

 M. fasciculata, Harv. Erebus-and-Terror Bay, 8-10 fathoms. 

 M. lichenoides, Borl. At low-water-mark, Fiskernaes ; Hunde 

 Isl., 7 fathoms ; Cape Adair, 12-18 fathoms. 

 Sph<BrococcoidecB. 



Delesseria sinuosa, Lam. Dark Head. 

 D. angustissime, Griff. Whale Isl. 

 Calliblepharis ciliata, Kutz. On the beach. Whale Isl. 

 SquamariecB. 

 Peyssonnelia Dubyi, Crouan. Cape Adair, 12-15 fathoms, 

 on stones. 

 RhodymeniacecB. 



Euthora cristata, J. A^. Hunde Isl., 90-100 fathoms. 

 Cryptonemiace(E. 



Callophyllis laciniata, Kutz. Whale Isl., floating and on 



beach. 

 Halosaccion ramentaceura, J. Ag. Whale Isl., cast up. 

 Ceramiacecc. 

 Ptilota serrata, Kutz. Whale Isl., 30-40 fathoms ; Whale 



Sound, floating. 

 Calhthamnion Rothii, Lyngb. Hunde Isl., low-vrater-mark ; 

 Cape Adair, on stones dredged in 12-18 fathoms. 



3. Chlorospermese. 



ConfervacecB. 



Cladophora Inglefieldii, n. s. Low-water-mark, Fiskernaes. 



C. rupestris. Kg. Low-water-mark, Fiskernaes. 



C. arcta, Kg. Low-water-mark, Fiskernaes. 



C. uncialis, Harv. Omenak, and Whale Sound. 



Conferva melagonium, Web. & Mohr. Cape Bowen ; Whale 



Sound ; and Beechy Island (Barrow Strait). 

 C. sp., probably near C. youngana ; fragments. Cape Bowen ; 



Huride Isl., 25-30 fathoms. 



