OBSERVATIONS ON THE VEGETATION OF THE ANTARCTIC SEA 263 



O 



S .2 "i^ .2 '"S E*"- 







rt O 



■C 'S; 



o <U 



Di 



O 2 



JE 



Remarks 



Dcsmarestia Rossii Hook. 111.. et II.\k\'. 



Ectocarpiis geminatus Hook mi., et 

 Harv 



Gigartina radula (Esp.) J. Ag 



Gracilaria (Leptosarca) simplex G).vi' . 



? Halimeda Tuna La.m 



Hydrolapathum stephanocarpum Cj1:i'P 



Lessonia grandifolia Ghpp 



Lessonia siniulans Gi;pp mscr. ' . . . 



LithophvUum decipiens Fosl 



Lithoplivllum discoideuni Fosi 



Lithotliamnion lichenoides IIeydr. . . 



Lithothamnion magellanicum Fosl. . 



Monostroma endivi;v;folium Gepp . . 



Petrocelis cruenta J. Ag 



Phvllophora antarctica Ghpp • . . . . 



Plocamium coccincum Lyngb 



Plocamium Ilookeri Harv 



Plocamium secundatum Kürz 



Prasiola crispa (Lighti-.) Mexegh. . . 



Pteridium proliterum Ghpp 



Pteronia pectinata i Hook. til. et Harv.) 

 Schmitz 



Ptilota confluens Reixsch 



Schizoneura quercifolia (Bory) J. Ag. 



Scythothalia Jacquinotii Moxr. . . . 



Scythothamnus rugulosus (Bory) De 

 Toxi 



Wildemannia laciniata (Ag.) Di- Toxi 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



+ 



Cape of Good 

 I lope. 



Med. Sea, Africa. 



California. 



Europe, N. Am, 

 ± cosmopolitan, 



± cosmopolitan. 



Med. Sea, N. Atl. 

 Oc. 



Of the 35 species included, 30 belong to the Grahain-Land-ret^ion 

 (Graham Land, South Shetland and South Orkney Islands). Of them 

 8 species are endemic, of the remaining 22, 4 are found in Victoria 

 Land, but are not confined to these two regions; 17 species arc sub- 

 antarctic, of which 10 are found only in the Magellan territories or 



^ In the description of L. grandifolia, material from Victoria land was used. 

 The species from the S. Orkneys, referred to L. grandifolia, is a peculiar species and 

 has recieved the name of L. simulans, according to informations kindly given to me 

 by Mr. and Mrs. Gepp. 



