A CATALOGUE OF THE BRITISH MARINE ALG 85 
Gen. 210. Haturus Kiitz. 
FA. equisetifolius Kiitz. (Grijithsia er tees Ag.). 
Cornwall, Devon, Dorset, Hants, Sussex, Kent, Suffolk (lisstoe), 
Norfolk (Yarmouth), Yorks. (Bridlington, Scarborough), North 
Wales. 5.W. Scotland vars Ayrheads). West Ireland (Bantry, 
Malbay, Kilkee). Channel Islands. Not uncommon. — Var. 
simplicijilum J. Ag. (= Griffithsia simplicijilum Ag.). Isle of Wight 
(Freshwater) ; Norfolk eableorrie: Cromer); Wicklow (Ardinairy 
Point, Black Castle). Very ra 
Tribe Monosporzr® Schm. 
Gen. 211. Borneria Thur. 
secundiflora Thur. (= i ee yachts Ag.). Coasts 
of Goenvwall (Scilly Islands) ; on (Bovisand, Plym nouth, Tor- 
quay). Channel Islands. Vary t are on he: English coast; not 
uncommon on that of the Channel Islands. 
Gen. 212. Monospora Solier. 
M. pedicellata Sol. (= Callithamnion pedicellatum Ag.). Coasts 
Cornwall (St. Minver, Scilly Islands, Mount’s Bay, Falmouth, 
Fowey); Devon (Plymouth, Salcombe, Torquay, Sidmouth); Dorset 
(Weymouth, Swanage, Studland); Hants (Isle of Wight); Sussex 
(Bghion); Norfolk (Cromer) ; Cheshire (Hilbre Island); Anglesea; 
Carnarvon ; Pembroke (Milford Haven). Scotland: Orkney; Bute 
(Arran and Cumbrae); Ayr beers Ardrossan). Ireland: Kerry 
(Valentia, Ferriter’s Cove e); Cork (Bantry); Wicklow; Dublin 
Howth); Down (Bangor, Portaferry); Antrim (Belfast); Galway 
(Roundstone) ; Clare (Kilkee). Channel Islands. mon 
on the south coasts of England and Scotland ; common in Ireland 
and the Channel Islands. — Var. 8 comosa Holm. & Batt. Fal- 
mouth, Torquay, Sidmouth, Weymouth, Alderney. Rare. 
M. clavata J. Ag. Devon (Sidmouth); Sussex (Brighton). 
Channel Islands (Alderney). Rare. 
Gen. 218. PLEeoNosPoRIuM ee 
Se = Callithamnion Borrert Harv.). Coasts of 
Boiieet (Clevedo ue Anchor, Minehead); Cornwall (St. Min- 
ver, Land’s End, Valmowth; Looe) ; Devon (Ilfracombe, Plymouth, 
Torquay, Bidmot uth); Dorset (Weymouth, Swanage, Studland) ; 
os (Isle of Wight) ; Sussex (Brighton) ; Suffolk (Relixatowe) 
rfolk (Yarmouth) ; Yorks. (near Hull) ; Cheshire (Hilbre Island, 
Now Brighton) ; Isle of Man (Dou uglas) ; Glamorgan (Swansea). 
Scotland : Argyle (Falls of Lora); Orkney. East coast of Ireland: 
Dublin (Clontarf, Howth). Channel Islands (Guerns ey). 
Var. B fasciculatun Holm. & Batt (= Callithamnion Fascieutatum 
Harv.). Devon (Torquay) ; Norfolk (Yarmouth). Very r 
Tribe CanuitHamniex Schm. 
Gen. 214, Ruopocnorron Na, 
R. Brebmeri Batt. Parasitic on the fronds of Sisviighonds ides 
laris. Rennie Rocks, Plymouth. Very rare, 
