194 CATALOGUE OF MARINE ALGJE OP WEST INDIAN REGION. 



* 



Moseley, who collected the 'Challenger' Algas described by Prof. 

 Dickie in the Linnean Society's Journal, vol. xiv.). I also include 

 those which I collected at Grenada in 1886, when naturalist to the 

 Solar Eclipse Expedition. There are remarkably few Floridem among 

 them, mainly owing, I take it, to the presence of much fresh- water 

 from Orinoco floods (see Governor Eawson, 'Nature,' Dec. 19, 1872, 

 and Jan. 2, 1873; and Dickie on the Barbadoes Algas, loc. cit.). In 

 Guadeloupe, for example, the" Floridece outnumber the green Algae, 

 as is to be expected, but in Grenada the proportion was very 

 markedly the other way, so far as a six weeks' examination enables 

 me to say. I may note here that I actually obtained in a tow-net, 

 south of Grenada, and outside, in the stream of the equatorial 

 current, specimens of Spirogyra tropica, a fresh-water Alga from the 

 Orinoco probably, but known anyhow from the Amazons. 



The localities are cited in the order determined by the direction 

 of the equatorial current and the Gulf Stream. The southern forms 

 come first, and after them the others down-stream, as it were, to 

 Bermuda. At the end I shall deal fully with the relationships of 

 this marine flora. Meanwhile I must remark that this list, large 

 as ti is, may be extended. Private and other collections doubtless 

 exist containing forms beyond those I have cited, and the present 



extension. 



purpose 



L FLOEIDE^E. 



CERAMIEiE. 



Callithamnion pallens Zan. Guadeloupe, Maze f 



Geographical Distribution. Mediterranean. 

 C. byssaceum Kiitz. Guadeloupe, Maze ! 



Oeogr. Distr. Mediterranean. 

 C. Turneri Ag, Florida, Harvey. 



Oeogr. Distr. Atlantic, Mediterranean, Tasmania. 

 0. luxukians J. Ag. Florida, Melvill ! Bermuda, Kemp. 



Oeogr. Distr. N. Atlantic, North Sea. 

 C. floccosum Mull. Grenada, Murray I Bermuda, Kemp. 



Oeogr. Distr. Atlantic and North Sea. Var. pacificum Harv. 

 at Vancouver. 

 C. plumula Ellis. Bermuda, Kemp. 



Oeogr. Distr. Atlantic and Mediterranean, Tasmania. 

 C. polyspermia Ag, Florida, Harvey. 



Oeogr. Distr. N. Atlantic (Europe and America). Pacino 



(Vancouver). 



Oeogr. Distr. Canary Islands. 

 C. pedunctlatum Kutz. Guadeloupe, Maze ! 



Geogr. Distr. Brazil. 

 C. gorgoneum Mont. Guadeloupe, Maze \ 



Oeogr. Distr. Cape Verde. 

 C. apiculatum Crn. Guadeloupe, Maze ! 

 C. L'Herminieri Crn. Guadeloupe, Maze ! 

 C. corynospoboides Crn. Guadeloupe, Maze 



Crn. Guadeloupe, Maze I 



