A CATALOGUE OF THE BRITISH MARINE ALG® 51 
5 
Gen. 182. Ascopnynium Stackh. 
A. nodosum Le Jol. Coasts of Cornwall, Devon, Dorset, Hants, 
Sussex, Kent, Essex, Suffolk, Norfolk, Yorks., Durham, North- 
umberland, Cheshire, Wales, Scotland, Ireland, and Channel 
Islands. Common and abundant on all the rocky parts of the 
British coast. — 8 minor Turn. Coast of Hants (Portsmouth).— 
y_ stliquatus Turn. Coast of Kent (Dover). Rare. — 2? scopioides 
auck. Coast of Essex (Blackwater Estuary, near Maldon). Rare. 
A. Mackaii Holm. & Batt. (= Fucus Mackaii Turn.). Coasts of 
Scotland: Sutherland (Loch Coul and Kyle Scough) ; Ross (Loch 
Duich); Inverness (Arisaig, Isle of Skye); Hebrides (Loch Sea- 
forth). Ireland: Birterbuy Bay, Co. Galway. Very rare. — 
B Robertsoni Batt. Loch Ranza, Isle of Arran. Very rare. 
Gen. 188. Penverta Dene. & Thur. 
P. canaliculata Dene. & Thur. (= Fucus canaliculatus L.). 
Coasts of Cornwall, Devon, Dorset, Hants, Sussex, Kent, Norfolk, 
Yorks., Durham, Northumberland, Cheshire, Isle of Man, Wales, 
Scotland, Ireland, and Channel Islands. Common and abundant 
on most of the rocky parts of the British coasts. 
Gen. 184. Brirurcarra Stackh. 
bury, Ilfr 
land) ; Hants (Isle of Wight); [Norfolk (Cromer). Scotland: Bute 
(Isle of Arran)]. Ireland: North and west coasts (Roundstone 
coast of Southern England, the Channel Islands, and N. and W. 
Treland. (N.B.—The Scotch locality given above rests on the rather 
doubtful authority of Mahoney’s List of Clydesdale Alga, the Norfolk 
One on Geldart’s List of Norfolk Alge; it is probable that some 
other plant has been mistaken for the present in both instances.) 
Gen. 185. Hianrnatia Lyngb. 
H, lorea Lyngb. Coasts of Cornwall, Devon, Dorset, Hants, 
Sussex, Kent, Essex, Suffolk, Norfolk, Yorks., Northumberland, 
Isle of Man, Wales, Scotland, Ireland, and Channel Islands, Com- 
mon on the rocky shores of the British Islands, 
