168 CRYPTOGAMIA ANTARCTICA. | Fuegia, the 
6. NITOPHYLLUM Bonnemaisoni, Grev.; Alg: Brit. p. 81. 
Var. laciniatum, fronde flabelliformi profunde digitatim lobata v. subdichotome pinnatifida, laciniis 
inciso-dentatis. N. laciniatum, nobis in Lond. Journ. Bot. vol. iv. p. 256. 
Has. var. laciniatum. Hermite Island, Cape Horn; on rocks in deep water. Falkland Islands ; not 
common. 
Though not exactly identical with our European N. Bonnemaisoni, we cannot consider this as more than a 
variety of that plant, which is occasionally found in Britain nearly as much laciniated as the specimens before us 
are. Stipes, in the Antarctic specimens, 1—1 inch long, terminating in the thickened cuneate base of the frond, 
which is 4-5 inches long, and deeply cleft into 5-9 segments, either radiating from the centre in a digitate 
manner, or springing like pinnules from a lengthened rachis. Colour, a pale brownish-red at the base, becoming 
rosy upwards. 
The N. Bonnemaisoni in the Northern Hemisphere inhabits the Orkney Islands, the west coasts of Scotland 
and Ireland, and the south-western shores of England. 
19. PLOCAMIUM, Zyngb. 
1. PLocamıum coccineum, Lyngb. ; Harv. Phyc. Brit., V. 44. Fl. Antarct. p. 186. 
Haz. Hermite Island, Cape Horn, and the Falkland Islands; very abundant. 
The present is one of the most widely diffused of the Floridee, both in the Northern and Southern Hemisphere. 
In Europe it ranges from the shores of the Mediterranean Sea to the North Cape. In Africa it occurs at the Cape 
of Good Hope, in North America on the coast of California, and it is abundant, on the Atlantic shores of the 
United States. It inhabits both coasts of South America, but particularly the western; Tasmania, New Zealand, 
and the Auckland Islands. The Antarctic specimens are equally luxuriant with those of the Northern Hemisphere. 
2. Procamrum Hookeri, Harv. ; fronde cartilaginea anguste lineari compressa plana distiche decomposite 
ramosa, ramis primariis subdichotomis patentibus, secundariis alternis flexuosis folia ramulosque alterne 
gerentibus, foliis planis aweniis oblique obovato-lanceolatis obtusis basi ahgustatis cultratis integerrimis v. 
margine exteriore crenatis, ramulis linearibus alterne et secunde pectinato-multifidis, stichidiis brevibus 
lateralibus dense fasciculatis digitatis laciniatis simplicibus obtusis, coccidiis lateralibus sessilibus sparsis. 
Harv. in Lond. Journ. Bot. vol. iv. p. 257. 
Has. Kerguelen's Land; Christmas Harbour; thrown upon the beach, rare. 
Frons 8—10 unc. longa, vix lin. diametro, plano-compressa, cartilaginea, nunc subdichotome nunc pinnatim 
ramosa. Rami primarii patentes; secundarii circumscriptione lineares, alterni, flexuosi, ramulos decompositos 
foliaque gerentes: foliis 4 unc. longis, 14-3 lin. latis, anguste obovatis lanceolatisve, obtusis, aveniis, integerrimis 
v. rarius secus marginem exteriorem crenatis. Color luride roseus. 
One of the most singular species of the genus, from the curious leaf-like appendages on the secondary and 
lesser branches. It is a very rare plant in Christmas Harbour, and cannot be confounded with any of its congeners. 
3. ProcauruM? Magellanicum, Hook. fil. et Harv. Thamnophora Magellanica, Montagne in Voy. au 
Pole Sud, Bot. Crypt. p. 142. t. 8. f. 2. 
Has. Hermite Island, Cape Horn; the Falkland Islands, and Kerguelen’s Land ; very abundant. 
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