Marine Alger of Berwick-nn -Tweed. 337 



Chylocladia. rosea, Barv. 



Ner. Bor. Am., part n., p. 186. 

 Descr. Chrysymenia rosea, var. Orcadensis, Harv., Phyc. Brit. 

 Fig. „ „ „ Raw., I.e. pi. 301 et 358a. 



Exsicc. Chylocladia rosea, Holmes, Alg. Brit. Bar. Exsicc., no. 77. 

 Syn. „ „ J. Ag., Bpicr., p. 298. 



Chrysymenia Orcadensis, Harv., Man., p. 100. 

 Lomentaria rosea, Thuret, in Le Jol., Liste Alg. Mar. Cherb., p. 

 131 ; Farlow, Mar. Alg. New Eng., p. 155. 

 Hab. Under projecting ledges of rock near low-water mark and on the 

 stems and roots of Laminaria hyperborea. Very rare. Winter. 

 Berwick Bay, Sharper Head. 



EHODYMENIA (Grev.) J. Ag. 



Ehodymenia palmata (Linn.) Grev. 



Alg. Brit., p. 93.— Fucus palmatus, Linn., Sp. PI., p. 1162 

 (Dulse.) 



Descr. Rhodymenia palmata, Harv., Phyc. Brit. 



Fig. „ „ Harv., I.e. pis. 217-218. 



Exsicc. „ „ Wyatt, Alg. Danm., no. 110; Crouan, Alg. 



Mar. Finist., no. 211 ; Le Jol., Alg. Cherb., no. 157. 

 Syn. „ „ J. At/., Spec. Alg. n., p. 376 ; Id., Epicr., 



329; Ann. Sc. Nat. vol. in., Ser. 4, pi. 3, fig. 8. 

 Sphaeroeoccus palmatus, Ktz., Phyc. Gen., p. 409, t. 63, fig. i.; Ktz., 



Spec. Alg., p. 781. 

 Halymenia palmata, Ag., Syn., p. 55 ; Ag., Spec. Alg. I., p. 204 ; 



Johnston, PI. Berw. n,, p. 228. 

 Hah. On rocks near low-water mark, and also on Algae especially the 



stems of Laminaria hyperborea. Fruit Nov. — March. Greenses, 



Berwick Bay, Burnmouth, &c. 

 The following are the most marked varieties which occur at 

 Berwick. 



F. TYPICA. 



var. a. nuda ; KjeUman, Alg. Arct. Sea, p. 147. 

 var. b. marginifera, Harv., Phyc. Brit., pi. 217. — R. palmata, 

 f. typica, b. marginifera, Kjellm., I.e. 

 Hab. Common on stems of Laminaria. 



f. sarniensis (Mert.) Grev. 

 I.e. ; J. Ag. I.e., ITarv., I.e. 



Sphaeroeoccus Sarniensis, Ktz., Spec. Alg., p. 779. 

 Hab, At the Coves. Rare. Usually very small, seldom more than 

 quartpr of an inch long. 

 1 H 



