16 A CATALOGUE OF THE BRITISH MARINE ALG^E 



/3 Casparyi Holm. & Batt. (= R. Casparyi Harv.). Coast of Corn- 

 wall (Falmouth, Penzance, Mousehole, St. Minver). Rare. 



Gen. 63. CLADOPHORA Kittz. 

 Subgenus 1. EUCLADOPHORA Farlow. 



C. prolifera Kiitz. Coast of Dorset (Weymouth). Rare. 



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

 Looe, Fowey, &c.), Devon (Torquay, Plymouth, Salcombe), Dorset 

 (Weymouth), Hants (Isle of Wight), Sussex (Bognor), and Norfolk 

 (Yarmouth) ; Wales (Anglesea, Puffin Island) ; Isle of Man ; Scot- 

 land (Oumbrae, Orkney Islands) ; Ireland (Belfast Lough, Round- 

 stone, Malbay, &c.) ; Channel Islands (Guernsey, Jersey). Not un- 

 common on the shores of England and Ireland ; very rare in Scot- 

 land. a comosa Kiitz. Coast of Wales (Puffin Island). f3 cristata 

 Kiitz. Coast of Ireland (Roundstone) ; S. England (Bognor). 

 y curvata Kiitz. Isle of Man. 



C. Hutchinsia Harv. Coasts of Cornwall (Fowey, Falmouth, 

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

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

 (Brighton, Bognor), Essex (Harwich), Suffolk (Felixstowe), and 

 Northumberland (Berwick, Holy Island) ; Wales (Anglesea, Hilbre 

 Island) ; Isle of Man ; Scotland (Burnmouth, Ardrossan, Cumbrae, 

 Saltcoats, Orkney Islands) ; Ireland (Belfast Bay, Bantry, Larne). 

 Not uncommon on the coasts of England and Ireland ; rare in 

 Scotland. a divaricata Harv. Coasts of Devon (Torquay) and 

 Isle of Man. /3 distans Kiitz. (= C. diffusa Harv.). Coasts of 

 Cornwall (Looe, Scilly Islands, Falmouth), Devon (Torquay, 

 Bovisaud, Sidmouth), and Sussex (Brighton); Wales (Swansea); 

 Scotland (Bute) ; Ireland (Portrush, Malbay, &c.) ; Channel Islands 

 (Guernsey). Not uncommon. 



C.falcata Harv. Coast of Devon (Plymouth) ; Ireland (Dingle 

 Harbour, Kerry) ; Channel Islands (Jersey). Very rare. 



C. Macallana Harv. Dredged in Roundstone Bay. 



C. rectangularis Harv. Coasts of Cornwall (Whitsand Bay, 

 Scilly Islands), Devon (Tor Abbey, Meadfoot), Dorset (Swanage), 

 and Hants (Isle of Wight) ; Ireland (Roundstone Bay, Great Aran 

 Island, Galway Bay). Very rare on the English coast, but locally 

 abundant on that of the West of Ireland. a subnuda Kiitz. Coast 

 of Devon (Torquay). J3 horrida Kiitz. (= Conferva Crouani Chauv.). 

 W. coast of Ireland (Roundstone Bay and S.W. Scotland (Arran). 

 y hispida Kiitz. Coasts of Devon (Torquay) and N. Ireland 

 (Roundstone Bay). 



C. Neesiorum Kiitz. /5 humilis Batt. (= C. humilis Kiitz.). 

 Coasts of Devon (Sidmouth), Dorset (Swanage), Sussex (Bognor), 

 and Northumberland (Berwick) ; Scotland (Cumbrae). Probably 

 not uncommon. 



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

 Looe, Fowey, &c.), Devon (Plymouth, Whitsand Bay, Sidmouth, 

 &c.), Somerset (Minehead), Dorset (Weymouth, Swauage, &c.), 

 Hants (Isle of Wight. Christclmrch), Sussex (Bognor, Worthing, 

 Hastings), Kent (Deal, Ramsgate), Essex (Harwich, Clacton), 



