A CATALOGUE OF THE BRITISH MARINE ALG^i 41 



Fam. MYRIONEMAOE2B Thill*. 



Gen. 106. MYRIONEMA Grev. 



M. stranfjulans Grev. a typica Batt. Coasts of Cornwall (St. 

 Minver, Trevone, Mount's Bay, Falmouth, Looe) ; Devon (Ply- 

 month, Torquay, Sidmoutli) ; Dorset (Weymouth, Portland, Swan- 

 age); Hants (Isle of Wight); Sussex (Bognor, Brighton); Kent 

 (Folkestone, Dover) ; Essex (Clacton) ; Yorks. (Filey, Scarborough, 

 Whitby) ; Northumberland (Holy Island, Berwick) ; Cheshire (Hilbre 

 Island) ; Isle of Man. Wales : Carnarvon (Bangor) ; Anglesea 

 (Towyn-y-Capel, Puffin Island). Scotland: Berwicks. (Burnmouth, 

 Eyemouth) ; Haddington (Dunbar, Longniddry) ; Edinburgh 

 (Joppa) ; Fife (Elie, Kincraig, Pittenweem) ; Forfar (Arbroath) ; 

 Kincardineshire; Aberdeen; Orkney Islands ; Argyle (Loch Etive) ; 

 Bute (Isles of Arran and Cumbrae). Ireland. Channel Islands 

 (Jersey, Alderney, Guernsey). Common everywhere along the 

 coasts of the British Islands. - - /3 punctiforme Holm. & Batt. ( = 

 M. punctiforme Harv. et M. intermedium Foslie). Coasts of Corn- 

 wall (Trevone, Falmouth, Looe) ; Devon (Torbay) ; Yorks. (Scar- 

 borough, Filey) ; Durham (Seaham Harbour) ; Northumberland 

 (Berwick); Cheshire (Hilbre Island). Scotland: Haddington (Dun- 

 bar) ; Forfar (Arbroath) ; Orkney Islands (Skaill, Ronsay) ; Argyle 

 (Appin, Loch Etive). Ireland. Channel Islands (Jersey, Guern- 

 sey, Alderney). Not uncommon. 



M. polycladum Sauv. Coast of Dorset (Swanage). Probably 

 not uncommon. 



M. CorunncE Sauv. (= Ascocyclus fcecundm var. seriatm et A. 

 balticus Batt. in Journ. Bot. 1892, p. 174). Coasts of Dorset 

 (Durlston Head, Swanage); Cheshire (Hilbre Island). Scotland: 

 Bute (Isles of Bute, Cumbrae, and Arran). Not uncommon. 



M. papillosum Sauv. Coast of Dorset (Weymouth, Swanage). 

 Not uncommon. 



M. acidioides Sauv. (= Ectocarpus acidioides Rosenv.). Coasts 

 of Cornwall (Falmouth) ; Devon (Seaton) ; Yorks. (Filey); North- 

 umberland (Berwick). Scotland: Bute (Isle of Cumbrae). Not 

 uncommon. 



M. ? saxicola Kuck. Coast of Dorset (Swanage). Rare. 



Gen. 107. ULONEMA Foslie. 



U. rUzoplwrum Foslie. Coasts of Cornwall (Falmouth) ; Devon 

 (Sidmoutli) ; Yorks. (Filey) ; Northumberland (Berwick). Ireland: 

 Rouudstone, Co. Galway. Not uncommon. 



Gen. 108. HECATONEMA Sauv. 



H. maculans Sauv. Coasts of Devon (Sidmouth) and Dorset 

 (Swauage). Rare. 



H. f/lobosum Batt. (= Ascocyclus globosus Rke.). Coast of Bute 

 (Isle of Cumbrae). Very rare. 



H. reptans Sauv. (= Ascocyclus reptans Rke.). Coasts of Dorset 

 (Swanage) ; Sussex (Bognor) ; Northumberland (Berwick). Scot- 

 land : Bute (Isle of Cumbrae). Rare, 



JOURNAL OF BOTANY, AUG. 1902.] g 



