224 Marine Alga 1 of Berwick-on -Tweed. 



verrucosa, R. clavata, Dictyosiphon hippuroides, Stittyosiphon tortilis, 

 S. sub-artioulata, Chordaria flagelliformh, Myriotrichia filiformis, 

 Eetocarpus confervoides, E. tomenfosus, E. fasciculatus, E. granulosus, 

 Hoematophlcea Crouani, Rhododermis elegans, var. palystromatica, 

 Rhodomela subfusca, Polysiphonia atro-rubescens, P. elongata, P. 

 fibrata, P. parasitica, Dasya coccinea, Melobesia Lernormandi, LitJio- 

 thamnion polymorphtim, etc., are to be found in abundance, and 

 more rarely Isactis plana, Bryopsis plumosa, Elachista jlaccida, E. 

 Aresrhougu, Phyllophora Brodim, and P. Traillii. 



The most interesting species which occur between Sharper 

 Head and the " Needle Eye" are Glceocapsa crepidinum, Micrococcus 

 nigrescent, Symploca Rarveyi, S. fascicnlata, Lyngbya stragulum, 

 Calothrix mruginea, C. pulvinata, C. fasciculata, Prasiola stipitata, 

 Ulothrix speciosa, U. implexa, U. disci/era, Cladophora arctiuscula, 

 C. hirta, Elachista Grevillei, Sphacelaria radicans, S. tribuloides, 

 S. racemosa, Eetocarpus ins ignis, E. ITohnesii, Cruoria pellita, 

 Rhodochorton Rothii, R ftoriduhtm, L'allithamnion granulatum, C. 

 Hookeri, etc. With the exception of Rivularia nitida the species 

 growing at Eyemouth and Burnmouth are equally abundant 

 at Berwick. 



Certain species I have only met with floating or amongst the 

 rejectamenta cast ashore, such are Succor hiza bulbosa, Desmarestia 

 midis, D. ligulata, Chdtopteris plumosa, Callithamnion plumula, 

 Rhodophyllis bifida, Nitophyllmu punctatum, JV~. Bonnemaisoni, 

 Delesseria ruscifolia, I), hypoglossum, Polysiphonia byssoides, and 

 Ponnemaisonia asparagoides. 



