Marine AlgoB of Berwick-on- Tweed. '239 



The filaments adhere to one another in tooth-like bundles arising 

 from a slimy membranous base, — in other respects the plant 

 seems identical with Lyngbya stragulum, Ktz. 



LYNGBYA, Ag. 



Lyngbya majuscula, (Dillw.) Hurt. 



In Booh. Br. Fl. u., p. 370. — Conferva majuscula, Dillw:, 

 Conf. Suppl. t.A. 

 Beicr. et Fig. Lyngbya majuscula, Hun:.. Phye. Brit., pi. 62 ; Farlow, 



Mar. Alg. New Eng.. p. .34. pi. I., fig. 4. 

 Exsicc. ,, ,, Wyatt, Alg. Danmon., no. 147. 



Syn. .. ., Ktz., Spec. Alg., p.283; Croitan. Alg. 



Kinist., no. 337; Le Jol., Liste Alg. Mar. Cherb., p. 29. 

 Hob. In shallow muddy pools near high-water mark or between tide- 

 marks. June — Sept. Very rare. Fenham Flats, HoIf Island. 

 By far the largest and handsomest species of Lyngbya found 

 with us. The plant is popularly called "Mermaid's hair" in 

 some parts of England. 



Lyngbya ^sstuarii (Mertens) Liebm. 



In Krceyer's Tidskrift. (1839^) p. 492.— Conferva sestuarii, 

 Mert. in Juerg., Alg. Dec. ir., no. 8 (1816.) 

 Descr. Lyngbyn arstuarii. Farlow, Mar. Alg. Now Eng., p. 34. 

 Exsicc. „ ., Hav.cket Richter, Phykotheka . T.'nivers., no. 31. 



Fig. Lyngbya t'erruginea, JIarv.. Phyc. Brit., pi. 311. 

 Syn. Lyngbyn aeruginosa, Ag., Syst., p. 74 ; Kl:.. Spec. Alg., [>. 282. 



Lyngbya ferrnginea. Ag., Spec. Alg.. p. 73. 

 Hab. On mud-covered rocks near high watermark. Sop. -Nov. Bare. 



Fenham Flats, Berwick Bay, Sharper Heart. 

 A smaller species than Lyngbya majuscula, the filaments seldom 

 more than -017 mm. in diameter. The colour, too, is much 

 brighter than in that species. 



Lyngbya luteo-fusca (Ag.) J. Ay. 



Alg. Mar. Medit., p. 1 1.— Calothrix luteo-fusca, Ag., Aufz. 

 no. 41. 

 Descr. Lyngbya luteo-fusca, Farlow. Mar. Alg. New Eng., p. 35. 

 Fig- •• - Ktz., Tab. Phyc. i. t. 88. 



Exsicc. .. ,, Holmes, Alg. Brit. Rar. Exsicc, no. 67. 



Syn. Lyngbya fulva, Hate, Ner. Am. Bor., pt. m., p. 102, pi. 47f. 



Lyngbya luteo-fusca. Ktz.. Spec. Alg., p. 282: Le Jol.. Alg. Mar. 

 Cherb., no. 114. 



