A CATALOGUE OF THE BRITISH MARINE ALG^5 39 



(Jersey, Guernsey, Alderney). Common and abundant. ft irreyularis 

 Hauck. Coasts of Dorset (Weyuioutb, Swanage) and Hants (Isle 

 of Wight). Rather rare.--y patentissima Grev. Coasts of Dorset 

 (Weymouth), Sussex (Bognor), and Bute. Bather rare. o fusca 

 Holm, et Batt. (= S. fusca Harv.). Coasts of Cornwall (Padstow, 

 Pentire, St. Minver, St. Michael's Mount) ; Devon (Ilfracombe, 

 Paignton, Torquay, Sidmouth); Norfolk (Cley) ; Durham (Seaham 

 Harbour). Wales: Auglesea (Worms Head); Glamorganshire 

 (Newton Nottage). Rather rare. s a'</a</ro[/ila Griff. Coasts of 

 Devon (Torquay, Sidmouth) ; Northumberland (Holy Island) ; 

 Hants (Isle of Wight). Scotland: Bute (Isle of Cumbrae); Ayr 

 (Fairlie, Heads of Ayr). West Coast of Ireland. Not uncommon. 

 -nana Griff. Devon (Torquay) ; Hants (Isle of Wight); Sussex 

 (Bognor). Rather rare. 



S. caspitula Lyngb. Coasts of Northumberland (Berwick) and 

 Carnarvon (Bangor). Very rare. 



S. plumula Zan. (= S. pseudoplumosa Holm. Fasc. no. 24). 

 Coasts of Cornwall (Gyllingvase Beach and Harbour, Falmouth, 

 Pridmouth) ; Dorset (Weymouth, Sniallmouth) ; Sussex (Brighton). 

 Scotland : Lamlash Bay, Isle of Arran. 



S. plmniijcra Holmes (S. plumosa Harv. Phyc. Br. pi. 87 pro 

 parte). Coasts of Devon (Ilfracombe); Hants (Isle of Wight); 

 Sussex (Brighton, Beachy Head, Eastbourne); Kent (Folkestone, 

 Herne Bay); Essex (Harwich, Dovercourt) ; Suffolk (Felixstowe) ; 

 Durham (Ryhope, Sunderland, Roker, Marsden) ; Northumberland 

 (Cullercoats) ; Lanes. (Addingham, Walney Island). Wales : 

 Carnarvon (Menai Straits, Bangor). Scotland : Haddingtou 

 (Longniddry) ; Edinburgh (Joppa, Caroline Park) ; Fife (Elie, 

 St. Andrews) ; Orkney Islands; Bute (Isles of Arran and Cumbrae) ; 

 Ayr (Portincross, Ardrossan). Rather rare generally, but locally 

 abundant. Ireland (Balbriggan and Howth, Co. Dublin). 



Gen. 102. CH^ETOPTERIS Kiitz. 



Ch. plumosa Kiitz. (- Sphacelaria plumosa Harv. pro parte. 

 Cladostephus fjlumosus Holmes). Coasts of Northumberland (Aln- 

 mouth, Berwick); Cheshire (Hilbre Island); Isle of Man. Wales : 

 Anglesea (Puffin Island). Scotland: Haddington (Dunbar) ; Edin- 

 burgh (Joppa) ; Fife (Kiughorn, Earlsferry) ; Forfar (Arbroath) ; 

 Kincardine (Stonehaveu, Bay of Nigg) ; Aberdeen (Peterhead) ; 

 Banff (Macduff) ; Orkney Islands (Kirkwall) ; Argyle (Firth of 

 Lome) ; Bute (Isle of Arran and Cumbrae) ; Ayr (Portincross, 

 W. Kilbride, Ardrossan). Ireland (Wicklow, Portaferry, Co. Down). 

 Rather rare. 



Gen. 103. CLADOSTEPHUS Ag. 



C. sponyiosus Ag. Coasts of Cornwall (St. Minver, Padstow, 

 Mount's Bay, Falmouth) ; Devon (Plymouth, Torquay, Dawlish, 

 Sidmouth); Hants (Isle of Wight); Sussex (Bognor, Worthing, 

 Brighton) ; Kent (Deal, Rainsgate) ; Essex (Harwich) ; Suffolk 

 (Felixstowe) ;_ Norfolk (Yarmouth, Cromer) ; Northumberland 

 (Alnmouth, Holy Island, Berwick) ; Cheshire (Hilbre Island) ; 

 Isle of Man. Wales : Anglesea (Puffin Island) ; Carnarvon (Menai 



