98 TEANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



Cohort ILL— SIPHONING. 

 Order I. — Beyopsidace^. 

 Bryopsis hypnoides, Lamour. 



Hilbre L, I. of Man, Puffin I. 

 B.plumosa, C. Ag. 



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

 Brighton. 



Order III.— Vaucheeiace.<e . 

 Vaucheria dichotoma, Lyngb. var. marina, C. Ag. 



New Brighton. I have found Vaucheria fila- 

 ments frequently, but as none were in fruit it is 

 impossible to say to what species they belonged. 

 V. thuretii, Woron. 

 Eastham. 



Order IV. — Codiace^;. 

 Codiurn tomentosum, Stackh. 

 I. of Man ! 



Series HI.— PHJEOPHYCEA 

 Cohort I.— ECTOCAKPINjE. 

 Order I. — Desmaeestiace^i. 

 Desmarestia viridis, Lamx. 



I. of Man, Puffin I. ! 

 D. aculeata, Lamx. 



I. of Man!, Puffin I. ! 

 D. ligulata, Lamx. 



I. of Man, Abergele. 



Order II. — Dictyosiphonace.^. 

 Dictyosiphon fceniculaceus, Grev. 



Hilbre I.!, Puffin I.!, Penmon Point!, Isle of 

 Man. 



Order III. — Punctaeiace^e. 

 Litosiphon pusillus, Harv. 



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



