Marine Alycu of Berwick-on-Tweed. 351 



Polysiphonia Brodlei (Dillw.) Harv. 



in Uoo/c, Br. PI. n., p. 328. — Conferva Brodiaei, Dillw., 

 Conf., p. 81, t. 107. 

 Descr. Polysiphonia Brodisei, Harv., Phyc. Brit. 

 Fig. „ „ Harv., I.e. pi. 195. 



Exsicc. „ ,, Wyatt, Alg. Danm., no. 83 ; Crouan, Alg. 



Finist., no. 299 ; Le Jol., Alg. Mar. Cherb., no. 14. 

 Syn. „ „ J. Ag., Spec. Alg. n., p. 993 ; Ktz., Phyc. 



Gen., p. 427 ; Johnst., PI. Berw. n., p. 237. 

 Hutchinsia Brodiasi, Lyngb., Hydr. Dan., p. 109, t. 33 ; Hool., PL 



Scot, ii., p. 88. 

 Hntchinsia penicillata, Ag., Sp. Alg. n., p. 65 ; Ktz., Tab. Phyc. 

 xiv., t. 1. 

 Hab. On rocks and stones from half tide-level to low-water mark. 

 Fruit June — Sept. Frequent. Berwick Bay, Sharper Head, 

 Scremerston. 



Polysiphonia elongata (Huds.) Bar v. 



in Hook., Br. PL n., p. 333.— Conferva elongata, Huds., PL 

 Angl. ii., p. 599. 

 Descr. Polysiphonia elongata, Harv., Phyc. Brit. 

 Fig. „ „ Harv., I.e. pis. 192, 193. 



Exsicc. „ ,, Wyatt, Alg. Danm., no. 40 ; Crouan, Alg. 



Finist., no. 301 ; Le Jol., Alg. Mar. Cherb., no. 233. 

 Syn. „ „ J. Ag., Spec. Alg. ii., p. 1004; Ktz., Spec. 



Alg., p. 828 ; Ktz., Tab. Phyc. xiv., t. 4. 

 Hutchinsia elongata, Ag., Syn. p. 54; Hook., Fl. Scot, n., p. 87. 

 Ceramium elongatum, Both, Cat. Bot. in., p. 128 ; Orev., Fl. Edin., 

 p. 310; Johnston, Fl. Berw. n., p. 239 (Lobster-horns.) 



F. DENUDATA, J. Ag ., l.O. 



Syn. Polysiphonia elongata, b. denudata, Harv., Man. p. 86. 

 Hab. On rocks and stones in pools from half-tide level to low-water 

 mai'k and below. Winter. Not uncommon. Berwick Bay, 

 Holy Island. 



F. ROSEA, J. Ag., I.e. 



Syn, Polysiphonia rosea, Orev., Fl. Edin., p. 310. 



Hab. On rocks near low-water mark. Spring and early Summer. 

 Berwick Bay, Holy Island, and elsewhere along the coast. 



Polysiphonia fastigiata (Koth) Grev. 



PL Edin., p. 308. — Ceramium fastigiatum, Roth, Fl. Germ, 

 in., p. 463. 

 Descr. Polysiphonia fastigiata, Harv., Phyc. Brit. 

 Fig. „ '„ Harv., I.e. pi. 299. 



