82 DEPARTMENT OF THE NAVAL SERVICE 
@ GEORGE V, A. 1947 
3.—PH#0PHYCE. 
Phyllitis fascia, Kuetzing—Common in tide-pools throughout the region. 
Scytosiphon lomentarius, Agardh—Common in a small form with few con- 
strictions in tide-pools at inside points. Common in a large form with many well- 
marked constrictions in tide-pools from half-tide mark down at outside points. A large 
form twisted into tight spirals occurs at Welchpool, Campobello. This spiral form 
is mentioned by Eaton as occurring at Eastport, Me. 
Desmarestia aculeata, Lamx.—In upper sub-littoral zone at Welchpool. In tide- 
pools near low-tide mark at Herring cove, Campobello. 
Desmarestia viridis, Lamx—Common in sub-littoral zone on Tongue shoal, near 
St. Andrews. Off Navy island in sub-littoral zone on weir brush. Im tide-pool at 
low-tide mark at Little Letite. 
Dictyosiphon foeniculaceus, Grey—Common in tide-pools throughout the region. 
Dictyosiphon hippuroides, Aresch—On rocky shore near low-tide mark at Welch- 
pool, Campobello. 
Ectocarpus confervoides, Le Jolis—On Ascophyllum nodosum at the Biological 
Station. On weir brush in old weir off Navy island, unilocular and _ pleurilocular 
sporangia present June 8. 
Ectocarpus littoralis, Lyngbye—Common on weir brush off Navy island, at and 
below low-tide mark. On old weir stake in Warwig river. 
Leathesia difformis, Aresch—On Cladophora gracilis expansa in tide-pools on 
Short Bar, St. Andrews. On rocks near low-tide mark, Spruce island. 
Elachistea fucicola, Fries—On Fucus evanescens at Head harbour, Campobello. 
On Ascorhyllum nodosum in Brandy ‘cove. On Fucus vesciculosus on Navy island. 
On Fucus furcatus on Bliss island. 
Chordaria flagelliformis, Agardh— Common in tide-pools. 
Ralfsia verrucosa, Aresch—Common in tide-pools, forming black leathery ex- 
pansions on pebbles. 
Ralfsia deusta, J. Agardh—On rocks in tide-pools on Short Bar, St. Andrews. 
Chorda filum, Linn.—Attached to stones at low-tide mark at Biological Station. 
Common in sub-littoral zone off Head harbour, off Spruce island, and in the Narrows. 
Laminaria saccharina, Lamx.—Common at and below low-tide mark throughout 
the region. 
Laminaria longicruris, De La Pyl—Common in sub-littoral zone off Head har- 
bour. Common in sub-littoral zone at Welchpool, off Richardsonville, Deer island, off 
Herring cove, Campobello, and off Southern head, Grand Manan. This alga attains a 
larger size than any other in this region. The specimen shown in Fig. 3, Plate VITI, 
hanging on the wall of the residence at the Biological Station, had a blade five feet 
ten inches long and a stipe nine feet long. 
Laminaria digitata, Lamx.—In tide-pools near low-tide mark on Spruce island. 
In tide-pools near low-tide mark at Head harbour. 
Saccorhiza dermatodea, De La Pyl—Common in upper sub-littoral zone at Welch- 
pool. 
Agarum turneri, Post. and Rupr.—Fairly common in the lower littoral and upper 
sub-littoral zone throughout the region. 
