4 A CATALOGUE OF THE BRITISH MARINE ALGJE 



8. snbsalsa (Ersted( = 5. tenuissimaJLuiz.}. Coasts of England, 

 Wales, and S. Scotland. Not uncommon. /3 oceanica Gom. (= 8. 

 oceanica Crn.). Coasts of Dorset (Weymoutli) and Norfolk (Cley). 

 Bare. 



Subtribe II. OSCILLARIOIDE.E Gom. 



Gen. 14. OSCILLATORIA Vaucber. 



0. Bonnemaisonii Cru. (= OsciUaria Colubrina Thur. et 0. inter- 

 media Crn.). S.E. Scotland (near Berwick). Kare. 



0. tnitrijaritifcm Kiitz. (= 0. insignia Thw.). Shirehampton, 

 near Bristol, Saltash, and C umbrae. Probably not uncommon. 



0. nigroviridis Thw. Shirehampton, Cumbrae, and Berwick. 

 Probably not uncommon. 



0. Corallines Gom. (= 0. littoralis Carm. ; 0. capucina Holm. 

 Fasc. no. 69 ; and Lynybya graciiis Batt. in Grevillea, Dec. 1893, 

 non Rabenh.). Coasts of Dorset (Weymoutli) and Essex (Harwich) ; 

 S.W. Scotland (Appin) ; Channel Islands (Guernsey). Common. 



0. amphibia Ag. ( = 0. infectoria Tassi). Coast of Northumber- 

 land (Berwick). Rare. 



0. subuliformis Thw. Shireharnpton ; coasts of Northumberland 

 (Berwick) and S.W. Scotland (Cumbrae). Rare. 



0. latevirens Crn. Coast of Northumberland (Berwick). 



0. formosa Bory (= 0. tennis Holm. & Batt. Rev. List). Only 

 recorded from the Northumberland coast (Berwick). 



0. brevis Kiitz. /3 neapolitana Gom. S.W. Scotland (Cumbrae). 

 Rare. 



0. rosea Batt. (OsciUaria rosea Crn.). Coast of Devon (Ply- 

 mouth). Dredged. Rare. 



Gen. 15. PHORMIDIUM Kiitz. 



P. fragile Gom. Coasts of Wales (Point of Ayr) and North- 

 umberland (Holy Island). Rare. 



P. tenue Gom. Northumberland coast (Berwick) ; Wales (Point 

 of Ayr). Rare. 



P. corium Gom. Coasts of Essex (Burnham) and Dorset 

 (Swanage). Not uncommon. 



P. papijracenm Gom. (= Oscillatoria spiraUs Carm.). S.W. coast 

 of Scotland (Appin, Cumbrae) ; Sussex (Brighton) ; Cornwall (Pen- 

 zance, Saltash, &c.) ; N. Wales (Anglesea, Point of Ayr). Not un- 

 common. 



P. ambigitum Gom. S.W. coast of Scotland (Cumbrae). 



P. uncinatum Gom. Northumberland coast (Berwick). 



P. autumnale Gom. ( P. antliarum Gom. in Holm. & Batt. 

 Rev. List). Coasts of Northumberland (Berwick), Cornwall (Pad- 

 stow, Falmouth), and Dorset (Weymoutli). Not uncommon. 



P. Ectocarpi Gom. (= P. persicinum Batt., non Gom.). S.W. 

 Scotland (Cumbrae) and Devonshire (Plymouth). Rare. 



Gen. 16. LYNGBYA Ag. 

 Subgenus LEIBLEINIA Gorn. 



L. Agardhii Gom. Coasts of Kent (Margate) and Devon (Ply- 

 mouth). Rare. 



