6 A CATALOGUE OF THE BRITISH MARINE ALG 
P. norvegicum Gom. Coasts of Essex (Clacton) and Dorset 
(Swanage). Probably not uncommon. 
Tribe II. Vacinariex Gom. 
Gen. 19. Microcoteus Desmaz. 
M. tes Hed ae M. eeiblsons Coasts v Wales 
Not uncommon 
M. tenerrimus Gom. Coast of Devon (Torquay). 
Gen. 20. Hyprocotzum Kitz. 
H. lyngbyaceum Kiitz. a genuina Gom. Coasts of Northumber- 
land (Berwick), Dorset (Weymouth), and Devon (Sidmouth). Rare. 
a rupestre Kiitz. (Microcoleus nigrescens Thur.). Coasts of North- 
asttines saa and Kent (Folkestone). Rare. 
H. glutinosum Gom. (= Oscillaria percursa B marina Kiitz.). 
Coast of RarGiianberiatid (Berwick). Rare. 
Gen. 21. Scnizorurix Kitz. 
8. Soa Harv. Coast of Devon (Sidmouth). Very rare. 
S. lardacea Gom. Coast of Devon (Paignton). Rare. 
. 5 apie Gom. Coast of Devon (Sidmouth); Scotland (Cum- 
rae 
Subfamily II. Hererocysrex Hansg. 
Tribe 1. Rivunartacez Rabenh. 
Subtribe Leprocuxrex Borzi. 
Gen. 22. AmpuiTHrix 
A. violacea Born. & Flah. Coast of Scotland ( fide Rabenhorst). 
Subtribe Masticuorricues Kiitz. 
: scaroue Ag, 
g 
~~ and Ireland ; Channa Islands (Guernsey). 
C. Contarenii Born. & Flah. Coast of Dorset (Weymouth). Rare. 
C. pulvinata = (= C. ape Hary., C. pannosa Harv and 
C. cespitula Harv.). Not mon on the shores of England, 
oe ama and the Channel Islands. 
arasitica Thur. Coasts of Dorset (Portland, Swanage) and 
Cocnwal (Porth Cressa, Scilly). Rare. 
C. eruginea Thur. Coasts of Devon (Tor Abbey, Sidmouth), 
Cornwall (Padstow), Dorset Lege me Northumberland (Ber- 
wick); Scotland (Harlsferry, Fife). 
