REVISED LIST OF MARINE ALGM. 73 



Order II. — CHAMiESIPHONACE^. 



Dermocarpa pnisina, Born. 



Puffin I.!, Hilbrel.! 

 D. scJioushcei, Born. 



Puffin I.!, Hilbrel.! 



Cohort IL— NOSTOCHIN^. 



Section I. — Homocystece. 

 Order I. — Oscillariace^. 

 Tribe I. — Oscillariese. 

 Spirulina tenuissima, Kiitz. 



Menai Bridge. 

 S. x>seudotenuissima, Cm. 



Point of Ayr. 

 Oscilian'a nigroviridis, Thw. 



Eastham. 

 0. coraUince, Gom. 



Point of Ayr. 

 Phormidlum jjapyraceum, Gom. 



{Oscillaria spiralis, Eeport I.) 



Point of Ayr, Eastham, Anglesea. 

 Tribe II. — Lyngbyese. 

 Lyngbya semiplena, J. Ag. 



Point of Ayr, Puffin I. ! 

 L. cestuarii, Liebm. 



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

 L. majiiscula, 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. spectahilis, Thur. in herb. 



Point of Ayr. 

 Symploca hydnoides, Kiitz. 

 Puffin I. ! 



