MARINE ALGiE OF VANCOUVER IS'LAN D 
107 
Colpomenia sinuosa (Roth) Derbes & Sober. Setchell & 
Gardner, 1903, p. 242; Harvey, 1852, p. 118, as Asperococcus 
sinuosus ; P, B.-A., Nos. 278, 735. Port Renfrew, Butler & 
Polley. 
Scytosiphon lomentarius (Lyngb.) J. G. Agardh. Setchell 
& Gardner, 1903, p. 243 ; Harvey, 1852, p. 98, as Chorda lomenta - 
ria; P. B.-A,, Nos. 323, 1235, 1389; Tilden, Centuries, No. 
347b, as Chordaria aitenuaia. Departure bay, Macoun; Port 
Renfrew, Tilden; probably common everywhere. 
Phyllitis fascia (Mull.) Kiitz. Setchell & Gardner, 1903, 
p. 244; Harvey, 1852, p. 91, as Laminaria fascia; P. B.-A., 
Nos. 276, 736, 1131. Esquimalt, Harvey. 
Soranthera ULVQiDEA Postels & Ruprecht. Setchell & 
Gardner, 1903, p. 244; P. B.-A., No. 417. Victoria, Saunders; 
Port Renfrew, Butler & Polley. 1 
Desmarestia aculeata (L.) Lamouroux. Setchell & Gard- 
ner, 1903, p. 246; Harvey, 1852, p. 78; P. B.-A., No. 129. 
Quite variable in habit, from the typical form of the Atlantic 
to a form hardly distinguishable from D. viridis (Mull.) Lamour. 
The latter species is reported from Esquimalt by Harvey, but 
it is probable that this is, 
Forma media (Agardh) J. G. Agardh, Setchell & Gardner, 
1903, p. 246; P. B.-A., No. 1036. More common than the 
type; abundant from Washington to Alaska. Victoria, Saun- 
ders; Departure bay, Ucluelet, Macoun; Port Renfrew, 
Butler & Polley. 
D. ligulata (Turn.) J. G. Agardh. Seldom found as narrow 
as the typical European plant, chiefly, 
Forma hebbacea (Turn.) J. G. Agardh. Setchell & Gardner, 
1903, p. 247; Harvey, 1852, p. 78; P. B.-A., No. LXXIX; Tilden 
Centuries, No. 244. Varying from a several times pinnate 
frond of moderate width, to a broad lamina with indistinctly 
dentate margin, up to 30cm. wide and several metres long. 
Dictyosiphon fcenictjlacetts (Huds.) Greville. Setchell & 
Gardner, 1903, p. 248; Harvey, 1852, p. 114; P. B.-A., No. 673. 
Ucluelet, Macoun. A common plant on both sides of the 
Atlantic, but apparently rare on this coast. 
T-Striaria attenmta (Ag.) Greville is reported by Harvey, but there is no other 
record of its occurrence in the Pacific. The specimen in Herb. Harvey is in bad 
condition and undeterminable. 
