276 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



Division.— BHODOPHYCEiE. 

 Order. — Floride^ . 

 Family. — Hildenbrandtiace;E . 

 Hildenbrandtia rivularis,, Ag. 



Incrusting stones at the bottom of a stream at 

 Bromborough, C. (N). 



Family. — Batrachospermace^e . 

 Batrachospermum moniliforme, Both. 



Baby, C. (N) on shells of Limnceus stagnalis, Barton, 

 L. (D), Woodville, C. (N), sparingly found. 

 B. vagum, Both. 



Ainsdale. L. (B) sparingly found. It is probable that 

 only detached specimens of these species have been 

 found, no doubt large masses will be met with in the 

 district as it is usual for this alga to be found in 

 abundance. 



Family. — Lemaneace^;. 

 Lemanea torulosa, Both. 



Little Sutton, C. (N) in stream with Prasiola crispa. 

 Family. — Porphyrace^ . 

 Bangia ceramicola, Thur. 



In brackish ditch, Wallasey, C. (N). 



Division.— CHLOEOPHYCEiE. 



Family. — Ulvace^: . 

 Prasiola crispa, Kiitz. 



Little Sutton, C. (N) stream, attached to stones ; 



Formby, L. (N) in ditches ; Baby, C. (N) stream. 

 P. furfur ucea, Men. 



Bootle, L. (D) damp ground. 

 P. calophylla, Cam. 



Sefton Park, L. (B). 

 Enteromorpha intestinalis, Linn. 



Little Sutton, C. (N) stream ; Baby, C. (N) stream ; 



