12 A CATALOGUE OF THE BRITISH MARINE ALGJE 



E. manjiiittta J. Ag. (= E. canaliciilata Batt.). Coasts of Kent 

 (Dover), Essex (Leigh, Clacton), and Northumberland (Berwick) ; 

 Scotland (Bute, Cumbrae). Not uncommon. 



E. prolifera J. Ag. (= E. compressa (3 prolifera Grev.). Coasts 

 of Devon (Torquay), and Northumberland (Berwick) ; Scotland 

 (Joppa, near Edinburgh). Not common. /3 tubulosa Reinb. 

 Devon (Torquay) ; Essex (Estuary of the Orwell). 



E. crinita J. Ag. Coasts of Devon (Torquay) and Northumber- 

 land (Berwick) ; Scotland (Joppa, near Edinburgh). Rare. 



E. linijulata J. Ag. Coast of Devon (Torquay) ; Scotland 

 (Orkney Islands). Rare. 



E. ramulosa Hook, a robusta Hauck. Coasts of Devon (Ply- 

 mouth, &c.), Cornwall (St. Martin's, Scilly), and Northumberland 

 (Berwick, Budle Bay, Holy Island) ; Ireland (Bantry) ; Channel 

 Islands (Guernsey). Not uncommon. p tennis Hauck. Coast of 

 Cornwall (Scilly Islands). 



E. compressa Grev. Common on all the coasts of the British 

 Islands. a constricta J. Ag. South coast of England, not un- 

 common. p complanata J. Ag. Coasts of Devon (Torquay, Sid- 

 mouth, &c.), Cornwall (Scilly Islands), and Northumberland 

 (Almnouth) ; Scotland (Orkney Islands). y nana J. Ag. Common 

 everywhere. 



E. Linza J. Ag. a lanceolata (Kiitz.). Not uncommon on the 

 coasts of the British Isles. ft angusta Kiitz. S.W. coast of Scot- 

 land (Cumbrae). Rare. 



E. intestinalis Link. Very common everywhere on the coasts of 

 Britain and Ireland. a ventricosa (Le Jol.). South coast of Eng- 

 land (Torquay, Bembridge, Isle of Wight) ; Orkney Islands ; Channel 

 Islands (Guernsey, Alderney). Not uncommon. /3 flagelliformis 

 (Le Jol.). Orkney Islands (Pulroit, Kirkwall) ; south coast of Eng- 

 land. y bullosa (Le Jol.). South coast of England ; Orkney Islands. 

 Not uncommon. ^ Cornucopia Kiitz. (non E. Cornucopia Carrn.). 

 Not uncommon on the coasts of the north of England and Scotland. 

 E maxima J. Ag. South coast of England (Weymouth, Poole, &c.) 

 and Northumberland (Berwick). Probably common. 



E. micrococca Kiitz. /3 tortuosa J. Ag. Coasts of Kent (Sand- 

 gate) and Essex (Clacton) ; Scotland (Arran, Cumbrae, &c.). Rare. 



E. minima Nag. Coasts of Norfolk (Yarmouth), Essex (Clac- 

 ton), Devon (Sidmouth), and Northumberland (Berwick). Not 

 uncommon. 



E. usneoides J. Ag. Alg. Syst. iii. p. 157. South coast of Eng- 

 land (W. Cowes, Isle of Wight ; E. Poutiatine, St. Martin's, Scilly 

 Islands, June, 1899, E. George ; Torquay, Miss E. H. Boning) ; 

 S.W. Scotland (Cumbrae, August, 1891, E.A. B.). 



Gen. 50. ULVA L. 



U. lactuca L. a rigida Le Jol. (= U. rigida Ag.). South coast 

 of England (Torquay, Plymouth, Weymouth) ; Channel Islands 

 (Alderney). Rare. ft latissima DC. (= U. latissima J. Ag.). 

 Everywhere common. y myriotremaJSoxn, (= U. myriotrema Crn.). 

 S. coast of England (Torquay, Weymouth), and Northumberland 



