90 A CATALOGUE OF THE BRITISH MARINE ALGJE 



A. floccosum Kleen (= Callithamnion floccosum Ag.). Coasts of 

 Fife (Kinghorn) ; Forfar (Dundee) ; Kincardine (Cove) ; Aberdeen 

 (Peterhead, Aberdeen) ; Orkney (Skaill) ; Bute (Oumbrae) ; Ayr 

 (Saltcoats). Very rare. 



Gen. 221. HYMENOCLONIUM Batt. 

 H. serpens Batt. Coast of Devon (Plymouth). Very rare. 



Gen. 222. CROUANIA J. Ag. 



C. attenuata J. Ag. Coasts of Cornwall (Mouseliole, Penzance, 

 Falniouth) ; Devon (Plymouth, Salcombe). Channel Islands (Guern- 

 sey, Alderney). Very rare. 



Tribe SPYRIDIEZE Schm. 

 Gen. 223. SPYRIDIA Harv. 



S. Jilamentosa Harv. Coasts of Cornwall (Torpoint) ; Devon 

 (Plymouth, Torquay, Exmonth, Budleigh, Sidmouth) ; Dorset 

 (Portland, Weymouth) ; Hants (Isle of Wight, Southampton); 

 Sussex (Brighton). Wales : Holyhead, Beaumaris, Aberfraw. 

 Channel Islands (Jersey). Locally abundant on the south and 

 west coasts of England ; unknown on the Scotch and Irish coasts. 



Tribe CERAMIE.E Lyngb. 

 Gen. 224. CERAMIUM Lyngb. 



C. gradllimum Harv. Coasts of Cornwall (Penzance) ; Devon 

 (Plymouth, Torquay) ; Dorset (Weymouth, Swanage) ; Sussex 

 (Hastings) ; Norfolk (Crorner). Ireland (Kilkee). Rare. 



C. tenuissimum J. Ag. ( = C. nodosum Harv.). Coasts of Corn- 

 wall (Pridmouth, Falniouth, Looe) ; Devon (Plymouth, Torquay, 

 Sidmouth) ; Dorset (Weymouth, Swauage) ; Hants (Isle of Wight) ; 

 Sussex (Bognor, Brighton) ; Essex (Harwich) ; Norfolk (Cromer) ; 

 Yorks. (Scarborough) ; Cheshire (Hilbre Island) ; Isle of Man. 

 Wales (Anglesea). Scotland : Bute (Arran, Cumbrae) ; Ayr (Salt- 

 coats, Troon) ; Orkney (Kirkwall). Ireland: Cork (Bantry) ; Dublin 

 (Ireland's Eye, Dublin Bay, Howth) ; Down (Bangor, Newcastle) ; 

 Donegal (Rathmullen) ; Galway (Roundstone). Channel Islands. 

 Locally abundant. Var. ft arachnoideum Ag. Jersey. Rare. 



C. strict um Harv. Coasts of Cornwall (Trevone, Mount's Bay, 

 Penzance, Falmouth, Pridmouth) ; Devon (Plymouth, Paignton, 

 Torquay) ; Dorset (Weymouth, Swanage) ; Northumberland (Ber- 

 wick) ; Cheshire (New Brighton, Hilbre Island); Isle of Man. 

 Wales (Anglesea). Scotland: Haddington (Dunbar) ; Fife (Kin- 

 craig, Earlsferry, Elie, Pittenweem) ; Bute (Arran, Cumbrae). 

 Ireland: Kerry (Dingle) ; Galway (Roundstone). Channel Islands. 

 Not uncommon. Var. /3 delicatum J. Ag. Coasts of Cornwall and 

 Devon. Rare. Var. y zostericola Le Jol. (= C. divaricatum Holm. 

 Fasc. no. 29; C. pelluddum Crn.). Dorset (Weymouth); Bute 

 (Arran and Cumbrae) ; Ayr (Fairlie) ; Galway (Roundstone). 

 Locally abundant. 



C. fastigiatum Harv. Coasts of Cornwall (Torpoint, Mount 

 Edgcumbe) ; Devon (Plymouth, Torbay, Sidmouth) ; Sussex 



