MARINE ALG! OF THE PASSAMAQUODDY REGION 81 
SESSIONAL PAPER No. 38a 
Enteromorpha micrococca, Kuetzing—Common on sandstone cliffs where moist 
with fresh water at high-side mark near the Biological Station. 
Enteromorpha intestinalis, Greville—In a tidal creek near St. Andrews. This 
habitat is shown in Fig. 2, Plate VIII. Extremely abundant in tidal creek at Grand 
Harbour, Grand Manan. An extremely small form, with the largest thalli only 3 mm. 
in diameter, was found in a pool in the cliffs of Swallow-tail, Grand Manan, about 
sixty feet above high-tide mark, and only reached by spray which flies to a great height 
at this point. 
Enteromorpha linza, J. G. Agardh—Common on muddy gravel beach at half-tide 
mark on Adam island. On weir stakes at low-tide mark off Navy island. On weir 
‘stakes in Brandy cove. 
Tlea fulvescens, J. G. Agardh.—On rocks in stream in littoral zone, Brandy. cove. 
In rock pool reached only by the very highest tides, Biological Station. 
Monostroma fuscum blyttii, Collins—Common in tide-pools at all outside points. 
In a stream of salt water flowing, at low tide, out of Kitty’s cove. Some of this species 
was served on the table at the Biological Station, and it was found to resemble a very 
strongly flavoured and rather slippery spinach. 
Ulva lactuca rigida, Le Jolis——Common from half-tide mark down on rocky beach 
at Welchpool, and at Grand harbour, Grand Manan. 
Chaetomorpha melagonium rupincola, Wjellman.—In a tide-pool near low-tide 
mark at Herring cove, Campobello. 
Chaetomorpha aerea linum, Collins.—In curled masses in pool off Kitty’s cove, St. 
Andrews. 
Rhizoclonium riparium polyrhizum, Rosenvinge.—At base of sandstone cliffs near 
high-tide mark in Brandy cove. On dead twigs in estuary of a little stream into 
Brandy cove, exposed from one-quarter ebb tide. In pool in cliffs of Swallow-tail, 
Grand Manan, about sixty feet above high-tide mark. 
Rhizoclonium tortuosum, Kuetzing.—In tide-pools at Upper Green point. 
Cladophora laetevirens, Harvey.—In sub-littoral zone on weir stakes in old weir 
off Navy island, June 8, 1912. This is the first Canadian record. 
Cladophora rupestris, Kuetzing—Common on rocks near low-tide mark at all 
outside points. 
Cladophora gracilis expansa, Farlow.—In shallow tide-pools on the Short Bar, 
St. Andrews. 
Cladophora flavescens, Kuetzing.—Floating in large yellowish masses in Kitty’s 
cove, St. Andrews. 
Spongomorpha arcta, Kuetzing—Common in spring in tide-pools throughout the 
region, occurring in rounded tufts. 
Spongomorpha spinescens, Kuetzing—On Fucus evanescens in littoral zone at 
Head harbour, Campobello. This species has not been previously recorded from 
Canada. 
Hormiscia penicilliformis, Fries—On Fucus evanescens, Little Letite. 
Gomontia polyrhiza, Bornet and Flahault—Common on dead shells of Mya 
arenaria in shallow tide-pools. 
Vaucheria thuretii, Woronin——On mud at high-tide mark, Harbour de Loutre, ” 
Campobello. On mud in salt marsh, Friar’s bay, Campobello. On mud-flats at Grand 
harbour, Grand Manan. 
