272 CATALOGUE OF THE MARINE ALG^ 



5. HIM A NTH ALIA, LTjiigh, 



1. H. LOREA, Lijngh. Harv. Man,, p. 20. Phyc. Brit., t. 78. 

 Atlas, PI. IV., fig. 16. Johnst. and Cr., t. 141. 

 Fucus hreus. E. Bot., t. 569. 

 On exposed rocky shores, generally near low -water mark. 

 JJ^ewbiggen, Hartley, St. Mary's Island, and Whitley rocks; 

 Holy Island, Dunstanborough, and Banihro.' I have never 

 found this plant npon the Durham coast, though there is no lack 

 of situations which would appear favourable. Possibly the mag- 

 nesian limestone, so prevalent in that district, may be prejudicial 

 to its growth. Mr. E. Backhouse has occasionally found speci- 

 mens washed up near Sunderland, but these may probably have 

 been drifted from more northern localities. — N. 



6. DESMARESTIA, Lamoar. 



1. D. LiGULATA, Lamour. Harv. Man., p. 23. Phyc. Brit., t. 



115. Atlas, PI. v., fig. 17. Johnst and Cr., 

 t. 142. 

 Fucus Ugulatus. E. Bot., t. 1636. 

 " On the beach at Seaton. — D. — Jir. Backhouse. On the 

 coast of Northumberland. — Hudson.'" — Winch. Washed up at 

 Newbiggen.— (?. .S'. -g.— N. D. 



2. D. ACULEATA, Lcimour. Harv. Man., p. 23. Phyc. Brit., 



t. 49. Atlas, PI. v., fig. 18. Johnst. and Cr., 

 t. 143 A. B. 

 Fucus oQuleatus. E. Bot., t. 2445. 

 On rocks and stones between tide-marks, and frequently thrown 

 up from deep water. Common. — N. D. 



3. D. viRiDis, iamowr. Harv. Man., p. 24. Phyc. Brit., t. 



312. Atlas, PI. v., fig. 19. Johnst. and Cr., 

 vol. iii., p. 35. 

 Fucus viridis. E. Bot., t. 1669. 

 Pools on the " Bear's Back" at Cullercoats. — R. Foster. 

 '* Among the rejectamenta on the coast at Sunderland. — W. Weig- 



