MARINE ALG OF THE L.M.B.C. DISTRICT. 141 
Rytiphlea thuyoides, Harv. 
Occasionally at Puffin and Hilbre Is. (M). Marrat 
records this and the two succeeding species as 
members of the genus Bhodomela. 
fi. fructiculosa, Harv. 
Occasionally at Puffin and Hilbre fe. (M). 
R. pinnastroides, Ag. 
Locality not-stated (M). 
Bonnemaisonia asparagoides, Ag. 
Isle of Man (M). 
Polysiphonia urceolata, Grev. 
On rocks, at the roots of other Algee (M and G), 
P. pulvinata, Kitz. 
Rarely at Hastham, New Brighton, and Hilbre I. 
(M) ; also occasionally at Puffin I. (M and G). 
P. violacea, Grev. 
; Locality not recorded (M). 
P. elongata, Harv. 
Locality not recorded (M). - 
P. elongella, Harv.. us 
Locality not recorded aD. In drift on Penmon © 
Point, Anglesey (G). 
P. variegata, Zanard. 
Puffin I. (G). 
P. brodiei, Grev. 
Locality not recorded (M); Puffin I. (G). 
Pe. byssoides, Grev. 
Locality not recorded (M); Puffin I. (G). 
PP. nigrescens, Grey. 

Variable in colour, at New Brighton, Eastham, and 
Hilbre I.; common (M). Puffin. (G). 
