THE MARINE BOTANIST. 207 



borne on the surface of the frond, substance stiff 

 and rigid, not adhering to paper. Colour a fine 

 red. This plant is always more or less covered 

 with the smaller zoophytes. Grows on rocks near 

 low water-mark. Perennial. Not imcommon on 

 the English and Irish shores, but more rare in 

 Scotland and chiefly on the western coast. 



PHYLLOPHORA MEMBRANIFOLIUS.— 

 LILAC PHYLLOPHORA. 



Fronds three to twelve inches high. Stem cylin- 

 drical, irregularly divided, bearing wedge-shaped 

 or fan-shaped cleft jfrondlets. The stem is stifl" and 

 cartilaginous, the frondlets are membranaceous and 

 adhere to paper. Colour a lilac-purple. Tubercles 

 on short stalks seated on the stem. Nemathecia 

 frequent on the frondlets, in the form of long deep 

 red spots. Grows frequently on rocky shores 

 between tide marks. Perennial. October to 

 March. 



