REVISED LIST OF MAllINE ALGM. 93 



P. nigrescens, Grev. 



Aiiglesea !, Puffin I. !, Hilbre I. !, I. of Man !, 



Eastham, New Brighton. 

 P . ^j)« ra si tica , Grev . 



I. of Man. 

 P. byssoides, Grev. 



I. of Man. I have not found this species 



growing, but have often met with it in rejecta- 

 menta and in dredgings at Puffin I. 

 P. hi'odicei, Grev. 



Puffin I., I. of Man. 

 P. thityoides, Harv. 



{BhytipJiloea thicyoides, Keport I.) 



Puffin I., Hilbre I., I. of Man. 

 P. fruticiilosa, Spreng. 



{Bhytiphlcea friUicidosa, Report I.) 



Puffin I., Hilbre I., I. of Man. 

 Tribe V. — Dasyese. 

 Dasya cocclnea, C. Ag. 



Puffin T. !, Hilbre I. !, I. of Man !, Anglesea ! 

 D. arhiiscula, C. Ag. 



I. of Man. 

 D. ocellata, Harv. 



I. of Man. 



Order IV. — Ceramiace^. 

 Tribe I. — Spermothamnieae. 

 Sphondylothamnion multifidum, Niig. 



Port Jack, I. of Man (1876) {iide Talbot). 

 Spermothamnion twrneri, Aresch. 



I. of Man. 

 var. repens, Lie Jol. 



Puffin I.!, Hilbre I.! 



Tribe II.— Griffithsiese. 

 Griffith sia corallina, C. Ag. 



I. of Man. 



