THE MARINE BOTANIST. 319 



ULVA. 



Name supposed to be from the Celtic word Ul, water. 



Frond membranaceous ; of a green colour, plane, 

 in some cases saccate and inflated in the young 

 state. Fructification : minute granules mostly- 

 arranged in fours. — Harv, 



ULVA LATISSIMA.— WIDE ULVA— 

 ^^ GREEN SLOKE." 



Frond six to eighteen inches long, and several 

 inches wide ; broadly egg-shaped or oblong • 

 variously cleft and waved ; of a full green colour. 

 Fructification distributed over the whole frond. 

 Grows on rock and stones between tide-marks. 

 Very frequent. Annual, but found at all seasons. 

 It is said to be sometimes eaten when cooked in the 

 same manner as laver. 



