Marine Algae, of Benvick-on-Tweed. 345 



Family — S phserococcacese. 



GKACILARIA, Grev. 



Gracilaria confervoides (Linn.) Grev. 



Alg. Brit., p. 123. — Fueus confervoides, Linn., Sp. PL, 

 p. 1629. 



Descr. Gracilaria confervoides, Harv., Phyc. Brit. 

 Fig. „ „ Harv., I.e. pi. 65. 



Exsicc. „ „ Le Jol., Alg. Mar. Cherb., no. 192. 



Gigarfcina confervoides, Wyatt, Alg. Danm., no. 75. 

 Plocaria confervoides, Crouan, Alg. Finist., no. 248 et 249. 

 Syn. Gracilaria confervoides, J. At/., Spec. Alg. n., p. 587; Id., Epicr., 

 p. 413. 

 Sphserococcus confervoides, Ag., Spec. Alg. i., p. 303 ; Ktz., 



Spec. Alg., p. 772. 

 Plocaria confervoides, Mont., Fl. Alger., p. 71 ; Crouan, Florule 



du Finist., p. 151. 

 Gigartina confervoides, Lamour., Ess., p. 48 ; Harv., Man. Ed. I,, 74. 

 Hypnea confervoides, J. Ag., Alg. Medit., p. 149. 

 Hab. On rocks and stones in sandy pools near low-water mark. All 

 the year. Not common. Berwick Bay, Holy Island. 



Family— S olieriacese. 



CATENELLA, Grev. 



Catenella Opuntia (Good, et Woodw.) Grev. 



Alg. Brit., p. 166, t. 17. — Fucus Opuntia, Good, et Woodw., 

 in Linn. Trans, in., p. 219. 

 Descr. Catenella Opuntia, Harv., Phyc. Brit. 

 Fig. „ „ Harv., I.e. pi. 88. 



E.vsicc. ,, ,, Wyatt, Alg. Danm., no. 126 ; Crouan, Alg. 



Finist., no. 209 ; Le Jol, Alg. Mar. Cherb., no. 21. 

 Syn. „ „ Ktz., Spec. Alg., p. 724; J. Ag., Spec. Alg. n., 



p. 352 ; Id., Epicr., p. 588. 

 Halymenia ? Opuntia, Ag., Spec. Alg. i., p. 217 ; Ag., Syst., p. 245. 

 Bivularia Opuntia, Sm., E.B., t. 1868. 

 Dnmontia Opuntia, Cm. in Desmaz, Exsicc, no. 1227. 

 Chordaria Opuntia, Spreng., Syst. Veg., vol. iv., p. 330. 

 Chondria Opuntia, Hook., Fl. Scot., pt. n., p. 106. 

 Lomentaria Opnntia, Oaill., Diet. Hist. Nat., vol. 53, p. 367. 

 Fucus repens, Lightft., Fl. Scot, n., p. 961. 

 Hab. On rocks near high- water mark usually on the under side of 

 overhanging ledges, and in caves. Fruit July — Aug. Coves, 

 Bnrnmouth, Scremerston, Holy Island. 

 1 S 



