80 A CATALOGUE OF THE BRITISH MARINE ALG^E 



P. elongella Harv. Coasts of Cornwall (Padstow, Falmoutb, 

 Talland Bay, Torpoint) ; Devon (Plymouth, Torbay, Sidmoutb) ; 

 Dorset (Weymouth, Swauage) ; Hants (Isle of Wight) ; Sussex 

 (Bognor, Brighton); Isle of Man; Anglesea. Scotland: Fife 

 (Elie) ; Aberdeen (Peter h ead) ; Orkney Islands (Kirkwall Bay); 

 Bute (Arran, G umbrae) ; Ayr (Ardrossan, Seamill, Saltcoats) ; 

 Argyle (Kirn). Ireland : Cork (Bantry) ; Dublin (Howtb, Mala- 

 hide, Killiney) ; Antrim (Larne, Belfast Lough). Channel Islands 

 (Jersey). Bather rare, though widely distributed. 



P. eioiH/ata Grev. Coasts of Cornwall, Devon, Dorset, Hants, 

 Sussex, Kent, Essex, Norfolk, Yorks., Durham, Northumberland, 

 Cheshire (Hilbre Island), Isle of Man, Wales, Scotland, and Ireland. 

 Channel Islands (Jersey i. Common. - Var. ft rosea J. Ag. (= P. 

 rosea Grev. ; P. elonyata var. sanguinolenta Harv.). Not uncommon 

 in spring. Var. y denudata Grev. Common in autumn and winter. 



P. violacea Grev. (incl. P. Grevillei Harv.). Coasts of Cornwall, 

 Devon, Dorset, Hants, Sussex, Kent, Durham (Boker), Northum- 

 berland (Whitley, Berwick) ; Isle of Man. Wales (Carnarvon). 

 Scotland : Fife (Elie, Earlsferry) ; Aberdeen (Peterhead) ; Orkney 

 Islands; Bute (Arran, Bute, Cumbrae). Ireland: Cork (Bantry); 

 Dublin (Howth); Galway (Roundstone) ; Kerry (Ferriter's Cove). 

 Channel Islands. Rather rare. Var. (3 allocliroa J. Ag. Cornwall 

 (Falmouth) ; Devon (Torquay). - Var. y subulata Hauck. Dorset 

 (Portland). 



P. Jibrillosa Grev. Coasts of Cornwall (St. Minver, Mount's 

 Bay, Falmouth, Looe); Devon (Plymouth, Torquay, Sidmouth, 

 Seaton) ; Dorset (Weyrnouth, Swauage); Hants (Isle of Wight); 

 Sussex (Shoreham, Brighton) ; Norfolk (Croiner); Durham (Roker) ; 

 Northumberland (Whitley, Berwick) ; Isle of Man ; Anglesea. Scot- 

 land : Haddington (Dunbar) ; Fife (Earlsferry) ; Kincardine (Stone- 

 haven) ; Orkney Islands ; Argyle (Loch Goil) ; Bute (Isles of Arran, 

 Bute, and Cumbrae); Ayr (Saltcoats). Ireland; Cork (Bantry); 

 Dublin (Howth) ; Down (Bangor) ; Galway (Roundstone) ; Clare 

 (Miltown Malbay). Channel Islands (Jersey, Alderney). Not un- 

 common. 



P. varieyata Zan. Coasts of Cornwall (St. Minver, Torpoint) ; 

 Devon (Plymouth) ; Dorset (Weyrnouth) ; Hants (Isle of Wight) ; 

 Sussex (Brighton). Very rare. 



P. fcetidissima Cocks (= P. stuposa Ralfs in Penzance Nat. Hist. 

 Soc. Proc. 1884, p. 325). Coasts of Cornwall (Newlyn West, Fal- 

 mouth) ; Devon (Plymouth) ; Sussex (Brighton). Very rare. 



P. furcellata Harv. a patula J. Ag. Coasts of Cornwall (Fal- 

 mouth) : Devon (Plymouth, Torquay, Sidmouth); Dorset (Wey- 

 mouth, Studland) ; [Norfolk coast, fide Geldart] . Ireland: Antrim 

 (Carrickfergus) ; Galway (Roundstone), Channel Islands (Jersey). 

 Very rare. - Var. ft forcipata J. Ag. (= P. turgidula Holm. fasc. 

 no. 71). Falmouth. Very rare. 



P. fastigiata Grev. Very common on the shores of the British 

 Islands wherever its host-plant (Ascoplnjllum, nodosum) grows. 



P. ceramiaformis Crn. Coasts of Cornwall (Falmouth) and 

 Dorset (Weymouth, Swanage). Very rare. 



