A CATALOGUE OF THE BRITISH MARINE ALG.E 17 



Suffolk (Felixstowe), Norfolk (Yarmouth, Cromer), Yorkshire 

 (Scarborough, Whitby, Filey), Durham (Suuderland), and North- 

 umberland (Holy Island, Bamborough, Berwick) ; Wales (Hilbre 

 Island, Puffin Island, Anglesea, &c.) ; Scotland (Dunbar, Elie, Fife ; 

 Aberdeen, Peterhead, Orkney Islands, Oban, Cumbrae, Arran, &c.) ; 

 Ireland (Ban try Bay, Cork, Howth, Portaferry, Belfast Lough, 

 Roundstone Bay, Kilkee, &c.) ; Channel Islands. Common and 

 abundant on the shores of the British Islands. (3 distorta Harv. 

 On submarine peat at Birturbui Bay, Connemara. y nuclei Holm. 

 & Batt. (= C. nuda Harv.). Port Stewart, Co. Antrim. 



C. hirta Kiitz. (= Conferva flexuosa Dilhv., non Eng. Bot.). 

 Coasts of Cornwall (Falmouth), Devon (Sidmouth), Dorset (Wey- 

 mouth), Sussex (Bognor), Suffolk (Felixstowe), and Northumber- 

 land (Berwick). Not uncommon. 



C. utriculosa Kiitz. (= C. latevirens Harv. partini). Coasts of 

 Cornwall (Plymouth, Scilly Islands), Devon (Torquay, Sidmouth), 

 Dorset (Weymouth), Sussex (Bogiior, Worthing), and Hants (Vent- 

 nor, Isle of Wight) ; Isle of Man ; Wales (Puffin Island, Anglesea) ; 

 Scotland (Cumbrae, Loch Etive). Not uncommon. f3 diffma 

 Hauck. Coasts of Sussex (Bognor) and Norfolk (Yarmouth, 

 Cromer). 



C. trichocoma Kiitz. Coast of Sussex (Bognor) ; Scotland 

 (Cumbrae) ; Ireland (Kilkee). Rare. 



C. fjracilis Kiitz. Coasts of Cornwall (Mount's Bay, Falmouth, 

 Looe), Devon (Torquay, Plymouth), Dorset (Weymouth, Studland), 

 Hants (Isle of Wight), Sussex (Brighton), Norfolk (Cromer), and 

 Northumberland (near Hartley) ; Scotland (Peterhead, Ballantrae, 

 Cumbrae, Fairlie, Ardrossan, Orkney Islands) ; Ireland (Youghal, 

 Cork Harbour, Wicklow, Belfast Lough). Not common. /3 tennis 

 Thtir. Coast of Dorset (Weymouth, Studland). Rare. 



C. sericea Kiitz. (= Conferva Icetevirens Dillw. and Cladophora 

 crystallina Kiitz.). Coasts of Cornwall (Mount's Bay, Falmouth, 

 Looe, Fowey, St. Minver), Devon (Plymouth, Torquay, Sidmouth), 

 Dorset (Weymouth, Swanage), Hants (Ventnor, Isle of Wight), 

 Sussex (Bognor, Worthing, Brighton, Pagham), Kent (Deal), Nor- 

 folk (Cromer), Yorkshire (Scarborough, Filey), and Northumberland 

 (Cullercoats, Alnmouth, Holy Island, Berwick) ; Wales (Hilbre 

 Island, Swansea) ; Scotland (Dunbar; Elie, Fife; Arbroath, Girdle- 

 ness, Peterhead, Orkney Islands, Loch Etive, Cumbrae) ; Ireland 

 (Bantry Bay, Cork, Antrim coast, Roundstone Bay, &c.) ; Channel 

 Islands. Common. 



C. glaucescens Harv. Coasts of Cornwall (Mount's Bay, Fal- 

 mouth, Looe), Devon (Torquay, Plymouth), Dorset (Weymouth), 

 Sussex (Brighton), Essex (Harwich), Kent (Deal), Suffolk (Felix- 

 stowe), and Yorkshire (Scarborough) ; Wales (Hilbre Island, Puffin 

 Island, Anglesea) ; Scotland (Elie, Fife; Aberdeen, Orkney Islands, 

 Cumbrae, &c.) ; Ireland (Portmarnock, Mangan's Bay, Cork ; coast 

 of Down, Kingston) ; Channel Islands (Jersey). Not common. 



C. flexuosa Harv. Coasts of Cornwall (Mount's Bay, Falmouth, 

 Fowey), Devon (Plymouth, Torquay, Sidmouth), Dorset (Wey- 

 mouth), Sussex (Brighton, Eastbourne), and Cheshire (Eastham) ; 



JOURNAL OF BOTANY, MAY, 1902.] d 



