THE MARINE BOTANIST. 15 



together, and creep over the bottom of rock-pools 

 left at ebb tide, near low water mark. On the 

 western shores of Ireland this plant is abundant, as 

 far north as Galway. Eare on the English shores. 

 Bill of Portland. Ilfracombe. Mount's Bay, and 

 other places on the Cornish coast. Jersey. 



FUCUS. 



Name signifying sea-weed. 



Moot scutate. Fronds flat, compressed, or 

 cylindrical; linear dichotomous (rarely pinnated), 

 coriaceous. Air-vessels when present innate in the 

 frond, simple, large. Eeceptacles terminal or 

 lateral, pierced by many conspicuous pores. 



FUCUS VESICULOSUS— BLADDER FUCUS, 

 OR BLADDER WORT. 



This is one of the very commonest sea-weeds, 

 abundant on all rocky coasts. The fronds are 



