JIARTNE ALG7E.— G. DICKIE. 
49 
Linn. Soc. xv. 199 ; filis dense cocspitosis crcctis parce didiot-omis, articulis diamctro 
suba^qualilius vel panlo longioribus, tricbosporangiis solitariis oliovatis brevitcr 
])cdiccllatis. 
On shells of Mytilus in rather open situations ; Swain’s Bay, Eaton. 
The specimens arc about inch in height, and are similar in habit to the British 
S. radicans. 
1. Rhodomela Hookeriana, Ag. ; Bhodomela Gaimardi Book. f. and 
Ilarv. Flor. Antarct. 481, t. clxxxiv. {non Gaud.) ; Farloio in Lull. U. S'. Nat. 2Lis. 
1876, 3, 30 ; Eiokie in Jouni. Linn. Soc. xv. 199. 
Swain’s and Observatory Bays, frequent, Eaton; near Molloy Point, one speci- 
men, Kidder. (Palklands and Puegia.) 
1. Polysiphonia abscissa, Booh. f. and Ban. Flor. Antarct. 480, t. 
clxxxiii. 2 ; Dickie in Joiirn. Linn. Soc. xv. 199. 
Forma microearpa ; P. microcarpa, Book.f. and Bart. 4(9, t. olxxxii. 3 ; Bare. 
Ner. Aust. 42. 
On roots of Macrocystis, and on tubes of Annclides, in 1 to 5 fathoms. Obser- 
vatory Bay, (New Zealand ; Tasmania; Fuegia). 
There are two forms of this species, one of them smaller and more rigid than the 
other. The P. microcarpa of the Flora Antarctica represents one of them, P. 
abscissa the other. 
2. Polysiphonia anisogona, Book. f. and Bai~o. Ftor. Antarct. 478, t. 
clxxxii. 2 ; Dickie in Journ. Linn. Soc. xv. 44. 
Kerguelen Island, Moseley. (Falklands and Fuegia, Booker.) 
1. Dasya Berkeleyi, 3Iotit. ; Dickie in Journ. Linn. Soc. xv. 41, et 199 (var. 
3 Davisii) ; Farlow in Pull. E. S. Nat. Mus. 3, 30. Polysiphonia punicea. Book. f. 
and Bare. Flor. Antarct. i. 182; (Iletcrosiphonia) Berkeleyi? var. 0 Davisii, 
idem, 480. 
Swain’s Bay, on the seaward sides of islands, Eaton; Boyal Sound, Kidder. 
(Auckland Islands, Marion Island, Falklands, Fuegia, Chiloe.) 
Mr. Eaton’s specimens belong to the var. 0 Davisii, having a habit and colour 
different from those of the typical plant. There arc examples in different stages ; 
but in all the ramuli are heterosiphonous. 
1. Bostrychia vaga, Book. f. and Ban. Flor. Antarct. 484, pi. clxxxvi. i. 
(Stictosiphonia) . 
Christmas Harbour, on rocks and stones above high water mark, and in damp 
places a considerable distance from the sea, abundant, Booker. 
1. Delisea pulchra, Mont.; Flor. Antarct. 484; Dickie in Jmmi. Linn. 
Soc. XV. 45. 
Clu-istmas Harbour, Booker, Moseley. (Heard Island, S. Tasmania, W. and E. 
Australia.) 
1. Ptilonia magellanica, Mont. ; Dickie in Journ. Linn. Soc. xv. 45, 200 ; 
*« G 
