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observations (In the vegetation ol- tUe Vntarctic sea 263
Graham l.d Region Magell. Region South Georgia Kerguelen Island Victoria Ld. Region Islands S. of New Zeeland Remarks
Desmarestia Rossii Hook. fil. et Harv. • + + — — +
Ectocarpus geminatus Hook fil. et Harv............... _ + + + + _
Gigartina radula (Esp.) J. Ag..... + — — — — Cape of Good Hope.
Gracilaria (Leptosarca) simplex Gepp . +
1 Halimeda Tuna Lam........ — — — — + Med. Sea, Africa
Hydrolapathum stephanocarpum Gepp + — — — —
Lessonia grandifolia Gepp...... — — — +
Lessonia simulans Gepp mscr.1 . . . + — — — —
I.ithophyllum decipiens Fosl..... + • — — — California.
Lithophyllum discoideum Fosl. . . . + + + — —
Lithothamnion lichenoides Heydr. . . + + + + — —
Lithothamnion magellanicum Fosl. . + + — — —
Monostroma endiviæfolium Gepp . . +
+ Europe, N. Am.
Phyllophora antarctica Gepp • . . . . — p — — + —
Plocamium coccineum Lyngb..... + - — + + ± cosmopolitan.
Plocamium Hookeri Harv...... + — + + — —
Plocamium secundatum Kütz..... + + — — — —
Prasiola crispa (Lightf.) Menegh. . . + + + + + + ? ± cosmopolitan.
Pteridium proliferum Gepp..... +
l’teronia pectinata (Hook. fil. et Harv.) Schmitz............. + + + _ _ _
Ptilota confluens Reinsch...... + — + — —
Schizoneura quercifolia (Bory) J. Ag. + + — — —
Scythothalia Jacquinotii Mont. . + — — — —
Scythothamnus rugulosus (Bory) De Toni.............. + + ____ _ _ __
Wildemannia laciniata (Ag.) Df. Toni + + — — — Med. Sea, N. Atl. Oc.
Of the 35 species included, 30 belong to the Graham-Land-region
(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 are
sub-antarctic, of which 10 are found only in the Magellan territories or
1 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
bv Mr. and Mrs. Gepp.
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