84 A CATALOGUE OF THE BRITISH MARINE ALG^E 



maphroditum Auct.). Cornwall (Trevone) ; Devon (Sidmouth) ; 

 Sussex (Brighton) ; Northumberland (Berwick) ; Cheshire (Hilbre 

 Island) ; Anglesea. Scotland : Berwicks. (Burnmouth) ; Had- 

 dington (Dunbar) ; Argyle (Loch Etive) ; Bute (Arran, Cumbrae). 

 Not uncommon on the northern shores of England and Scotland. 

 Var. y splicer icum. Batt. (Callithamnion spliaricum J. Ag. ; 

 Rhodochorton intermedium Batt., non Kjellm.). Coast of North- 

 umberland (Berwick). Bare 



S. strict um Arcliss. (= S. fldbettatum Holm. & Batt. Rev. List, 

 non Born. ?). Coasts of Sussex (Bognor) ; Edinburgh (Joppa) ; 

 Argyle (Loch Etive). Very rare. 



8. barbatnm Born. (= Callithamnion barbatum Ag. ; Antithamnion 

 barbattim Holm. & Batt.). Coasts of Cornwall (Penzance) ; Devon 

 (Ilfracombe, Plymouth) ; Dorset (Weymouth) ; Fife (Kincraig, 

 Earlsferry) ; Argyle (Appin). Very rare. - Var. /3 mesocarpum 

 Batt. ( = Callithamnion mesocarpum Carm.). Cornwall (Falmouth) ; 

 Sussex (Brighton) ; Argyle (Appin) ; Bute (Cumbrae) ; Antrim 

 (north side of Belfast Lough). Very rare. 



S. irregulare Ardiss. Coast of Dorset (Weymouth). Very rare. 



Gen. 207. TRAILLIELLA Batt. 



T. intricata Batt. (= Callithamnion intricatiim J. Ag.). Coasts 

 of Cornwall (Falmouth); Devon (Plymouth, Torquay, Sidmouth); 

 Dorset (Weymouth) ; Hants (Isle of Wight). 



Gen. 208. PTILOTHAMNION Thuret. 



P. pluma Thur. (= Callithamnion plum a Ag.). Coasts of Cornwall 

 (Pridmouth, Mount's Bay, Looe) ; Devon (Ilfracombe, Plymouth, 

 Sidmouth) ; Dorset (Weymouth, Swanage) ; Sussex (Brighton) ; 

 Norfolk (Croiner). Scotland : Argyle (Appin). Ireland : Cork 

 (Bantry) ; Clare (Malbay). Channel Islands. Bather rare. 



Tribe GRIFFITHSIEZE Schm. 

 Gen. 209. GRIFFITHSIA Ag. 



G. corallinoides Batt. (= Conferva corallinoides L. Sp. PI. ii. 

 p. 1166 (1753); Griffithsia corallina Ag.). Coasts of Cornwall, 

 Devon, Dorset, Hants, Sussex, Kent, Essex (Dovercourt), North- 

 umberland (Hartley) ; Isle of Man. Scotland : Edinburgh (Joppa, 

 Newhaven, Leith) ; Fife (Elie, Earlsferry); Orkney (Kirkwall, &c.) ; 

 Argyle (Appin, Machrihanish Bay) ; Bute (Arran, Cumbrae) ; Ayr 

 (Ardrossan). Ireland : Generally distributed. Channel Islands. 

 Not uncommon. 



G. flosculosa Batt. (= Conferva flosculosa Ellis in Phil. Trans. 

 vol. Ivii. p. 425, pi. 18, fig. E (1768); C. setacea Huds. Fl. Angl. 

 ed. 2, p. 599 (1778); Griffithsia setacea Ag.). Frequent on almost 

 every part of the British coast. 



G. Devoniensis Harv. Coasts of Cornwall (Torpoint, Mount 

 Edgcumbe); Devon (Salcombe, Plymouth). Channel Islands (Jer- 

 sey, Alderney). Very rare. 



G. barbata Ag. Coasts of Dorset (Weymouth, Swanage, Stud- 

 land) ; Sussex (Brighton) ; Kent (Folkestone). Channel Islands 

 (Jersey). Very rare. 



