HALF AN HOUR WITH SEAWEEDS. 47 



pale greenish colour. It grows in large masses, 

 and is one of our commonest weeds. When washed 

 and boiled down into a jelly, flavoured with lemon, 

 it is said to be very pleasant. 



Fig. 15. 



Carrageen (Chondrus crispus). 



The black or olive-coloured seaweeds may be 

 distinguished for their size, and the red for their 

 beauty, but there can be no doubt that the green 

 (Chlorosperms) are by far the most abundant. You 

 can hardly stir at low water without noticing 

 meadows of a fine, thread-like seaweed mantling 

 every stone and piece of rock with its dark, almost 

 sap-green. This is the Enteromorpha compressa, a 



