36 A CATALOGUE OF THE BRITISH MARINE ALG-E 



(Bay of Nigg) ; Aberdeen (Peterhead) ; Orkney Islands ; Argyle 

 (Oban) ; Bute (Isles of Arran, Cumbrae, and Bute). Ireland 

 (Youghal, Co. Cork ; Kilkce, Co. Clare, c.). Channel Islands 

 (Jersey, Guernsey, Alderney). Not uncommon. 



A/", densa Batt. Coasts of Cornwall (Scilly Islands) and Dorset 

 (Weymouth, Swanage). Scotland : Bute (Isles of Arran and 

 Cumbrae). Bare. 



M. rcpcns Hauck. (= Dichosporangiwn repens Hauck). Coasts 

 of Cornwall (Falmouth) ; Devon (Wembnry) ; Dorset (Swanage). 

 Scotland : Elgin (Lossiemouth). Bare. 



Fam. ARTHROCLADIACE.E Tlmr. 

 Gen. 98. ARTHROCLADIA Duby. 



A. villosa Duby. Coasts of Somerset (Minehead) ; Cornwall 

 (St. Minver, Mount's Bay, Gerrans Bay, Torpoint) ; Devon (Ply- 

 mouth, Torquay, Exmouth, Ladran Bay, Sidmouth) ; Dorset 

 (Weymouth, Swanage, Studlaud) ; Hants (Isle of Wight) ; Sussex 

 (Brighton, Hastings); Suffolk (Gorton); Norfolk (Yarmouth, Cromer). 

 Wales : Anglesea ; Carnarvon (Bangor) ; Glamorgan (Swansea, 

 Mumbles). Scotland: Haddington (Prestoupans) ; Orkney Islands 

 (Kirkwall) ; Argyle (Ardthur, Appin) ; Bute (Isles of Arran and 

 Cumbrae). Ireland : Wicklow ; Malahide, Co. Dublin ; Carrick- 

 fergus, Co. Antrim. Channel Islands (Jersey). Bather rare 

 generally, but abundant in a few localities. 



Fam. ELACHISTACE^E Eke. 

 Gen. 94. MYRIACTIS Kiitz. 



M. pulvinata Kiitz. (= Elachistea altenuata Harv. Phyc. Br. 

 pi. 28A). Coasts of Cornwall (St. Minver, Trevone, Penzance, 

 Falmouth, Looe) ; Devon (Elberry Cove, Torquay, Plymouth, 

 Sidmouth); Dorset (Weymouth, Swanage); Yorks. (Scarborough, 

 on Halidrys). Scotland : Bute (Isle of Cumbrae, on Halidrys). 

 Ireland : Bantry Bay, Co. Cork ; Miltowii Malbay, Co. Clare ; and 

 West Coast generally. Channel Islands (Jersey, Guernsey, 

 Alderney). Not uncommon. 



M. Arescliourjii Batt. ( Elachista Areschouyii Crn.). Coasts of 

 Northumberland (Berwick). Scotland: Haddington (Dunbar) ; 

 Bute (Isle of Cumbrae). Ireland : Murlough Bay, Co. Antrim. 

 Rare. 



M. stellulata Batt. (Elachista stellulata Griff.). Coasts of Corn- 

 wall (Falmouth, St. Mawes) ; Devon (Torquay) ; Dorset (Weymouth, ' 

 Swanage). Scotland: Bute (Isles of Arran and Cumbrae); Ayr 

 (Portincross). Channel Islands (Jersey, Guernsey). 



M. Haydeni Batt. (Elackista Haydeni Gatty, et El. moniliformis 

 Foslie). Coasts of Yorks. (Filey) ; Northumberland (Berwick) ; 

 Cheshire (Hilbre Island). Rare. 



Gen. 95. ELACHISTEA Duby. 



E. stellaru Aresch. a tijpica (epiphytic on Arthrocladia villosa}. 



Coasts of Devon (Torquay, Sidmouth) ; Dorset (Weymouth). Wales. 



-fi Chordce Aresch. (epiphytic on Chorda filum, Asperococcm 



