A CATALOGUE OF THE BRITISH MARINE ALG.E 51 



coast. Var. angustifrons Stackh. Coasts of Cornwall, Devon, 

 Dorset, &c. Common. - Var. latifolins Turn. Coasts of Bute, 

 Argyle (Oban), and the Orkney Islands (Kirkwall Bay, Damsay 

 Bay). Very rare.- Var. integer Turn. (= F. angustifolius Wither, 

 pro parte). Coasts of Cornwall (St. Ives) ; Devon (Sidmouth) ; 

 Sussex (Brighton). Very rare. - Var. laciniatm Grey. Coast of 

 Bute. Very rare. 



Gen. 132. ASCOPHYLLUM Stackh. 



A. nodosum Le Jol. Coasts of Cornwall, Devon, Dorset, Hants, 

 Sussex, Kent, Essex, Suffolk, Norfolk, Yorks., Durham, North- 

 umberland, Cheshire, Wales, Scotland, Ireland, and Channel 

 Islands. Common and abundant on all the rocky parts of the 

 British coast. - - fi minor Turn. Coast of Hants (Portsmouth). 

 y siliquatm Turn. Coast of Kent (Dover). Rare. scopioicles 

 Hauck. Coast of Essex (Blackwater Estuary, near Maldon). Rare. 



A. MacJcaii Holm. & Batt. (= Fucus Mackaii Turn.). Coasts of 

 Scotland : Sutherland (Loch Coul and Kyle Scough) ; Ross (Loch 

 Duich) ; Inverness (Arisaig, Isle of Skye) ; Hebrides (Loch Sea- 

 forth). Ireland : Birterbuy Bay, Co. Galway. Very rare. - 

 /3 Robertsoni Batt. Loch Ranza, Isle of Arran. Very rare. 



Gen. 138. PELVETIA Dene. & Thur. 



P. canaliculata Dene. & Thur. ( Fucus canaliculatus L.). 



Coasts of Cornwall, Devon, Dorset, Hants, Sussex, Kent, Norfolk, 

 Yorks., Durham, Northumberland, Cheshire, Isle of Man, Wales, 

 Scotland, Ireland, and Channel Islands. Common and abundant 

 on most of the rocky parts of the British coasts. 



Gen. 134. BIFURCARIA Stackh. 



B. tuberculata Stackh. (= Pycnophycus tuberculattis Kiitz.). 

 Coasts of Cornwall (Boscastle, St. Minver, Padstow, St. Ives, 

 Mousehole, Lizard, St. Michael's Mount, Falmouth, Fowey, Looe); 

 Devon (Plymouth, Bovisand, Wembury, Ilfracombe) ; Dorset (Port- 

 land) ; Hants (Isle of Wight) ; [Norfolk (Cromer). Scotland: Bute 

 (Isle of Arran)] . Ireland : North and west coasts (Roundstone 

 Bay, Co. Galway ; Miltown Malbay and Kilkee, Co. Clare ; Bantry 

 Bay, Co. Cork). Channel Islands (Jersey, Guernsey, Alderney). 

 Rare. On the shores of the British Islands only met with on the 

 coast of Southern England, the Channel Islands, and N. and W. 

 Ireland. (N.B. The Scotch locality given above rests on the rather 

 doubtful authority of Mahoney's List of Clydesdale Alya, the Norfolk 

 one on Geldart's List of Norfolk Alga. ; it is probable that some 

 other plant has been mistaken for the present in both instances.) 



Gen. 135. HIMANTHALIA Lyngb. 



H. lorea Lyngb. Coasts of Cornwall, Devon, Dorset, Hants, 

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

 Isle of Man, Wales, Scotland, Ireland, and Channel Islands. Com- 

 mon on the rocky shores of the British Islands, 



