46 CARL SKOTTSBERG, MARINE ALG^G 2. RHODOPHYCEJE. 



Contrib. p. 688) requires further study, as the species is known hitherto only from 

 Kerguelen. 



Distribution: FalkL, ? S. Georgia, ? Graham Land. 



N. multinerve Hook. Fil. et Harv. — Kylin & Skottsb. p. 32. 



Falkland Islands: Westpoint Island, in deep basins (St. 8, 5. 12.07); 

 Port North, drifted (St. 7 2. 12. 07, ©); Cape Pembroke, in tide-pools, scarce (St. 3 b, 

 7. 11. 07). South Georgia: Strömnaes Bay, 8 m, stones (St. 50, 24.4.09, ©). 



Distribution: S. Chile to Fuegia, Falkl., S. Georgia (first record), Kerg., N. Zeal. 



N. Iaciniatum Hook. Fil. et Harv. — Kylin & Skottsb. p. 33. — Fig. 20 a. 



South Patagonia: Fitzroy Channel, on shells 13 — 14 m, common (St. 

 17, 18.4.08, ©). Fuegia: Slogget Bay, small specimens in tide-pools (St. 47, 16. 

 3. 09) and large ones washed ashore (St. 47 b, ?, © ). Falkland Islands: West- 

 point Island, in tide-pools (St. 8 a, 5. 12. 07); Cape Pembroke, in tide-pools (St. 3 b, 

 7. 11.07). 



Part of the material from St. 47 b, 1902 (with tetraspores) should be referred to 

 this and not to N. Durvillei. The specimens from St. 34, 1902, are typical in every re- 

 spect and in perfect accordance with the type of Hooker (Herb. Kew). A young lobe 

 is figured, 20 a. 



Distribution: S. Patagonia, Fuegia, Falkl. 



N. Durvillei (Bory) J. Ag. - - Kylin & Skottsb. p. 34. - Fig. 20 b — c. 



South Patagonia: Fitzroy Channel, 13 — 14 m, one small specimen on 

 Callophyllis (St. 17, 18. 4. 09). Fuegia: Slogget Bay, numerous fine and very large 

 plants in beach drift (St, 47 b, 16.3.09, ?.). 



L. c. I expressed the view that Cotton's identification of Delesseria platycarpa 

 in Fl. Ant. with N. Durvillei was correct. Since that I have seen a good set of Hooker's 

 plants at Kew, and they are identical with N. Durvillei, as I understand this. Agardh 

 had not seen N. Durvillei and left it among the dubious species. In his herbarium is 

 a plant of Hooker's D. platycarpa from Cape Pembroke, Falkl., no. 31073, and this 

 is labelled JV. falklandicum J. Ag., but the name was not published. 



N. Durvillei is characterized by the dichotomic ramification, the long, regular 

 forked stipe of older specimens, the linear segments with their broad and short marginal 

 lobes and conspicuous costa. As long as I have not seen Bory's type, my identifica- 

 tion remains uncertain, but there is no doubt that my plants belong to N. Durvillei of 

 Cotton, Delesseria platycarpa of Hooker and N. falklandicum of J. Agardh. My lar- 

 gest specimens, from Slogget Bay, come very near N. semicostatum J. Ag. from New 

 Zealand. The cystocarps are strongly prominent, conical with incrassate apex. 



Nienburg has described and figured a growing tip of N. Durvillei, resembling the 

 type of Pseudophycodrys (see above). He does not tell where his material came from, 

 but I cannot find anything like his figure in the material examined by me, although 1 





