|! I 



u iri: i 



Fig. V, Algae, 

 A, D, E, green algae; B, a red alga; C, a brown alga. 



ALGAE (Green "Moss", Brovm "Moss") 



The zone of fouling just below the water line 

 is usually composed of Algae. These are true ma- 

 rine plants, and cLside from microscopic forms and 

 a few flowering plants, the only members of the 

 vegetable kingdom that occur in the sea. Since 

 they cannot grow without light, they are seldom 

 found on the deeper portions of the hull between 

 the bilge keels. The commonest types are green 

 in color, but others are various shades of red, 

 brown, and purple. (in the docking reports, 



17 



