176 DR. HARVEY ON NORTH-WEST-AMERICAN ALGÆ. 
between the less ramulose states of that species and the following. 
The larger are 6-8 inches long and broad, their divisions having a 
pyramidal outline. 
88. CALLITHAMNION FLOCCOSUM, var. PACIFICUM. Pinnis omnibus 
longis filiformi-subulatis simplicissimis. 
On stems of larger Algæ, Orcas Island and Esquimalt, Dr. Lyall. 
Much more densely branched and with much longer pinne 
than the usual Atlantic variety, and with more the aspect of C. 
Americanum ; but some Scotch specimens in Herb. T. C. D., by 
the length of their pinne and general habit, come near the present. 
CHLOROSPERMEZ. 
89. Codium tomentosum, Harv. Ner. Bor. Amer. iii. p. 29. 
Esquimalt Harbour, &c., on rocks, Dr. Lyall. 
90. Porphyra vulgaris, 4g.; Ner. Bor. Amer. iii. p. 53. 
On rocks and Alge, Esquimalt, &c., common. 
Several varieties. Some are 3—4 feet long, and 1 foot wide; 
others are beautifully marbled with green and purple. 
91. Enteromorpha compressa, Link ; Harv. Ner. Bor. Amer. iii. p. 57. 
On rocks and dredged, Esquimalt, &c., very common. 
92. Enteromorpha intestinalis, Link ; Ner. Bor. Amer. iii. p. 57. 
Strait of Georgia, in 8 fathoms, C. B. Wood. 
93. Ulva latissima, Linn.; Ner. Bor. Amer. iii. p. 59. 
Esquimalt, &c., common. 
94. Ulva fasciata, Del. ; Ner. Bor. Amer. iii. p. 58. 
Pools between tide-marks, outer sea-coast and adrift, Dr. Lyall. 
95. Ulva rigida, 4g. 
Esquimalt, Dr. Lyall. 
96. Ulva Linz, Ag.; Ner. Bor. Amer. iii. p. 59. 
Rock-pools, Esquimalt and Orcas Island, Dr. Lyall. 
97. Vaucheriz sp. 
In running streams, Esquimalt and Lake Schweltza, Dr. Lyall. 
The species is not determinable from dried specimens. 
98. Batrachospermum moniliforme, Ag. 
Stones in running streams, Chilukweynk Valley, Dr. Lyall. 
99. Cladophora arcta, Phyt. Br. t. 135; Ner. Bor. Amer. iii. p. /9- 
Orcas Island, Esquimalt, &c., Dr. Lyall & C. Wood. 
100. Cladophora glaucescens, Griff.; Ner. Bor. Amer. iii. p. 77. 
Nanaimo, Vancouver's Island, C. Wood. 
