A CATALOGUE OF THE BRITISH MARINE ALGAL 45 
B gracilis (= M. bea Carm.). §.W. coast of Scotland (Appin, 
Isle of ee ie e). Rar 
C. Zostere Thur. fa = M, virescens B zostericola Harvy.). Coasts 
of Dentival (Scilly Islands, Mount’s Bay); Dorset (Weymouth, 
Swanage). Wales: Anglesea (Towyn-y- Capel). Scotland: Argyle 
(Appin); Bute (Isles of Bute and Cumbrae); Ayr (Seamill). Ire- 
land: Roundstone Bay, Co. Galway. Channel Islands (Jersey, 
Guernsey). Probably comm 
}. contorta Thur. Coasts of Dorset (Weymouth); Sussex 
(Worthing); Ayr (Fairlie). Rare 
Gen. 118. Myrrocrapra J. A 
M. Loveni J. Ag. Coast of Sussex (Brighton). Very rare. 
M. satenties Crn. Coast of Dorset (Weymouth). Very rare. 
Gen. 119. Mrcrocoryye Strémf. 
M. ocellata pau Coast of Dorset (Ferry Bridge, near Wey- 
mouth). Very 
Gen. 120. Dusraints Batt. 
B. speciosa — Coast of Dorset (Ferry Bridge, near Wey- 
mouth). Very 
Gen. 121. Perrosronerum Nig. 
P. Berkeleyi Nig. (= Leathesia Berkeleyi Harv.). Coast of 
Cornwall (Trevone, St. Minver, Bossiney, Mount’s Bay, Looe) ; 
Devon (Plymouth, Tor Abbey, Sidmouth) ; Dorset (Portland, 
eaioaw'e ea Darlston er eranneey Wales: Anglesea 
owyn-y-Capel). Irelar Not uncommon on the west coast 
(Miltown Malbay and Kilkee, Co. Glare Valent, Co. Kerry, &e.). 
Channel Islands (Guernsey, Alderney). Rare 
a 133. LeatHEsia 2 f. Gra 
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Vv L. er — Harv. Coasts of Bute (Isle of Gunhbeaa) and Alderney. 
ery ra 
