90 A CATALOGUE OF THE BRITISH MARINE ALG 
A. floccosum Kleen (= Callithamnion floccosum Ag.). Coasts of 
Fife (Kinghorn) ; Forfar (Dundee); Kincardine (Cove); Aberdeen 
(Peterhead, Aberdeen); Orkney (Skaill); Bute (Cumbrae); Ayr 
(Saltcoats). Very rare. 
Gen. 221. Hymenoctonium Batt. 
H. serpens Batt. Coast of Devon (Plymouth). Very rare. 
Gen. 222. Crovania J. Ag. 
C. attenuata J. Ag. Coasts of Cornwall (Mousehole, Penzance, 
Falmouth) ; Devon (Plymouth, Salcombe). Channel Islands (Guern- 
sey, Alderney). Very rare. 
Tribe Spyripme Schm. 
Gen. 223. Spyripia Harv. 
S, filamentosa Harv. Coasts of Cornwall (Torpoint); Devon 
(Plymouth, Torquay, Exmouth, Budleigh, Sidmouth); Dorset 
(Portland, Weymouth); Hants (Isle of Wight, Southampton) ; 
Sussex (Brighton). Wales: Holyhead, Beaumaris, Aberfraw. 
Channel Islands (Jersey). Locally abundant on the south and 
west coasts of England; unknown on the Scotch and Irish coasts. 
Tribe Ceramiex Lyngb. 
Gen. 224. Crramium Lyngb. 
C. gracillimum Harv. Coasts of Cornwall (Penzance); Devon 
(Plymouth, Torquay); Dorset (Weymouth, Swanage); Sussex 
(Hastings) ; Norfolk (Cromer). Ireland (Kilkee). Rare. 
C. tenuissimum J. Ag. (= (. nodosum Harv.). Coasts of Corn- 
wall (Pridmouth, Falmouth, Looe); Devon (Plymouth, Torquay, 
Sidmouth) ; Dorset (Weymouth, Swanage); Hants (Isle of Wight) ; 
Brig ; ( 
Yorks. (Scarborough) ; Cheshire (Hilbre Island); Isle of Man. 
Wales (Anglesea). Scotland: Bute (Arran, Cumbrae) ; Ayr (Salt- 
coats, Troon) ; Orkney (Kirkwall), Ireland: Cork (Bantry); Dublin 
(Ireland’s Eye, Dublin Bay, Howth) ; Down (Bangor, Newcastle) ; 
Donegal (Rathmullen); Galway (Roundstone). Channel Islands. 
cally abundant.—Var. 8 arachnoideum Ag. Jersey. Rare. 
C. strictum Hary. Coasts of Cornwall (Trevone, Mount’s Bay, 
e a rae). 
+ sgl Kerry (Dingle) ; Galway (Roundstone). Channel ate 
_ C. fastigiatum Harv. Coasts of Cornwall (Torpoint, Mount 
Rdgcumbe) ; Devon (Plymouth, Torbay, Sidmouth); Sussex 
