82 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



Isthmoplea sphcerophora, Kjellm. 



Puffin I. ! 

 Py/alel/a litomlis, Kjellm. 



Puffin I.!, I. of Man! 



Order VI. — Arthrocladiace^. 

 Arthroc/adia villosa, Duby. 

 Anglesea. 



Order VII. — Elachistace^. 

 Elachista scutulata, Duby. 



I. of Man. 

 E.fucicola, Fries. 



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

 E. Jiaccida, Aresch. 



Penmon Point ! 



Marrat records this species on Cystoseira harhata 

 at Puffin I., though the host plant does not 

 occur in his list nor on the island. 

 Order VIII. — Sphacelariace^. 

 Sphacelaria radicans, Harv. 



Mersey, New Brighton, Hilbre I.!, Puffin I.!, 



I. of Man! 

 A specimen which I collected in Nov., 1890, at 

 Hilbre I. is, I am informed by Mr. Batters, a 

 monosiphonous variety of this species. 

 S. cirrhosa, C. Ag. 



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

 YSiT.fusca, Holm, et Batt. 

 {S. ftisca, Report I.) 



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

 S. plumigera, Holm. 



Carnarvon {fide Holmes). 

 Chcetopteris plumosa, Kutz. 



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



