REVISED LIST OF MARINE ALG.E. 91 



Order II. — Cham^siphonace^. 

 Dermocarpa prasina, Born. 



Puffin I.!, HilbreL! 

 D. schotisboei, Born. 



Puffin I.!, HilbreL! 



Cohort II.— NOSTOCHIN^. 



Section I. — Homocystece. 

 Order I. — Oscillariace^e. 

 Tribe I. — Oscillariese. 

 Spiru/ina tenidssima, Kutz. 



Menai Bridge. 

 S. pseudotenuissima, Crn. 



Point of Ayr. 

 Oscil/aria nigroviridis, Thw. 



Eastham. 

 0. corallince, Gom. 



Point of Ayr. 

 Phormidium papyraceum, Gom. 



(Oscillaria spiralis, Beport I.) 



Point of Ayr, Eastham, Anglesea. 

 Tribe II. — Lyngbyese. 

 Lyngbya semiplena, J. Ag. 



Point of Ayr, Puffin I. ! 

 L. cBstuarii, Liebm. 



Bromborough Pool, Hilbre I.!, Point of Ayr. 

 L. majuscula, Harv. 



Hilbre I., Eastham, Wallasey, Puffin I.! I 

 found this plant growing at the last mentioned 

 locality in colonies often half a foot or more in 

 diameter. 

 L. spectabilis, Thur. in herb. 



Point of Ayr. 

 Symplooa hydnoides, Kutz. 

 Puffin I.! 



