A CATALOGUE OF THE BRIRISH MARINE ALG/R 67 



(Morrison's Haven) ; Orkney Islands (Kirkwall) ; Ayr (Saltcoats). 

 Ireland : Cork (Ban try Bay, Youghal) ; Wicklow ; Antrim ; Clare 

 (Miltown Malbay). Channel Islands (Jersey, Guernsey). Rather 

 rare. 



G. patens J. Ag. (non Fm-m patens Good. & Woodw.). Coast of 

 Cornwall (Padstow). Very rare. 



Gen. 169. AHNFELTIA Fries. 



A. plicatu Fries (= Gymnogongrus plicatus Kiitz.). Coasts of 

 Cornwall, Somerset, Devon, Dorset, Hants, Sussex, Kent, Essex, 

 Suffolk, Norfolk, Yorks., Durham, Northumberland, Cheshire, Isle 

 of Man. Wales, Scotland, Ireland, and the Channel Islands. Very 

 common. 



Gen. 170. ACTINOCOCCUS Kiitz. 



A. subctitaneus Rosenv. (= A. roseits Kiitz.). Parasitic on Phyilo- 

 phora Brodicei. Coasts of Cornwall (Falmouth) ; Devon (Torquay); 

 Northumberland (Whitley, Holy Island, Berwick). Wales: Angle- 

 sea. Scotland : Haddington (Dunbar) ; Elgin (Lossiemouth) ; 

 Bute (Isle of Curnbrae). Ireland: Galway Bay. Probably to be 

 met with wherever the host-plant is found. 



A. cif/f/reffatus Schm. Parasitic on Gymnogongrus Griffithsia. 

 Coasts of Cornwall (Mount's Bay) ; Devon I Torquay, Sidmouth) ; 

 Hants (Isle of Wight) ; Sussex (Brighton) ; Suffolk (Felixstowe). 

 Probably to be met with wherever the host-plant is found. 



A. pelhe-forwis Schm. Parasitic on Gymnogongrus Xorvefjicus. 

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

 Hants (Isle of Wight); Sussex (Brighton, Hastings); Kent (Deal); 

 Suffolk (Felixstowe). Probably to be met with wherever the host- 

 plant is found. 



Gen. 171. COLACOLEPIS Schm. 



C. incrustans Schm. Parasitic on Phyllophora e/>ipJnjJla. Coasts 

 of Cornwall (Falmouth) ; Devon (Torquay) ; Dorset (Weymouth) ; 

 Sussex (Bognor) ; Kent (Deal); Essex (Clacton) ; Norfolk (Yar- 

 mouth) ; Northumberland (Berwick). Wales. Scotland. Ireland, 

 and the Channel Islands. Probably to be found wherever the host- 

 plant occurs. 



Gen. 172. STERROCOLAX Schm. 



S. decipiens Schm. Parasitic on Ahnfeltia i>licata. Not un- 

 common wherever the host-plant is found. 



Tribe CALLYMENIE.E Schm. 

 Gen. 173. CALLOPHYLLIS Kiitz. 



C. laciniata Kiitz. (= Rhodymenia laciniata Grev.). Coasts of 

 Cornwall (St. Minver, Scilly Islands, Portluney, Penzance Lizard, 

 Mount's Bay, Falmouth, Looe); Devon (Plymouth, Torquay, Ex- 

 mouth, Sidmouth) ; Dorset (Weymouth, Swanage) ; Hants (Isle of 

 Wight); Suffolk (Gorton near Lowestoft) ; Norfolk (Yarmouth); 

 Yorks. (Scarborough) ; Durham (Simderland) ; Northumberland 

 (Alnmouth, Holy Island, Berwick). Wales : Anglesea (Puffin 

 Island). Scotland : Haddington (Dimbar, North Berwick) ; Fife 



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