8 A CATALOGUE OF THE BRITISH MARINE ALG.E 



Tribe III. SCYTONEMACE.E Rabenh. 

 Geu. 29. MICROCH/ETE Thur. 



M. f/risea Thur. Coasts of Dorset (Weymouth) and Northum- 

 berland (Berwick). Rare. 



M. aruginea Batt. Coast of Northumberland (Berwick). 



Tribe IV. NOSTOCE^E Kiitz. 

 Gen. 30. NOSTOC Vaucher. 



N. entophytum Born. & Flah. S.W. Scotland (Cumbrae). Rare. 



A 7 . Linckia Born. (= Monormia intricata Berk.). Coasts of 

 Gloucester (Shirehampton, near Bristol), Kent (Gravesend), and 

 Norfolk (Brancaster) ; S.W. Scotland (Cumbrae). Rare. 



Gen. 81. ANAB^NA Bory. 



A.variabilis Kiitz. ( = Spharozyga Thwaitesii Harv.). Coasts of 

 Gloucester (Shirehampton, near Bristol), Somerset (Porbnry), 

 Cornwall (Penzance), and Essex (Harwich) ; Wales (Dolgelly) ; 

 S.W. Scotland (Cumbrae). Probably not uncommon. 



A. tornlosa Lagerh. (= Spharozyga Carnnchaelii Harv.). Coasts 

 of Gloucester (Shirehampton, near Bristol), Sussex (Brighton), Nor- 

 folk (Cley), and Northumberland (Berwick) ; Wales (Menai Straits, 

 Barmouth, Point of Ayr, Anglesea, Dolgelly) ; S.W. Scotland (Ap- 

 pin). Not uncommon. 



Species inqnirenda. 



A. Broomei Batt. ( S. Broomei Thw.). Coast of Gloucester 

 (Shirehampton, near Bristol). 



A. Berkeley ana Batt. ( S. Berkeley an a Thw.). Coast of Glou- 

 cester (Shirehampton). 



Gen. 32. NODULARIA Mert. 



N. Harveyana Thur. (= Spermosira Harveyana Thw.). Coasts 

 of Gloucester (Shirehampton) and Northumberland (Berwick) ; 

 Wales (Point of Ayr). Rare. 



N. spumigena Mert. fi litorea Born. & Flah. (= Spermosira 

 litorea Kiitz.). Coast of Gloucester (Shirehampton) ; Wales (Bar- 

 mouth, Dolgelly) ; S.W. Scotland (Cumbrae). Rare. 



ORDER CHLOROSPERME^E HARV. 



Suborder PROTOCOCCIN.E Holm. & Batt. 



Fam. PROTOCOCCACE^: Menegh. 



Gen. 33. CHLOROCHYTRIUM Cohii. 



C. immersum Massee. Coast of Yorkshire (Scarborough). 



C. inclusum Kjellrn. Coasts of England, Wales, and S. Scot- 

 land. Common. 



C. Cohnii Wright (= Chlorocystis Cohnii Rke.). Ireland (Howth, 

 near Dublin) ; Essex (Harwich) ; Dorset (Swanage) ; Devon 

 (Teignmouth) ; Wales (Bangor). Not uncommon. 



C. dermatocolax Rke. Coast of Northumberland (Berwick) ; 

 Wales (Bangor) ; S.W. Scotland (Cumbrae). Rare. 



