474 
Fig. 95. Fucus spiralis L. Part of a plant approaching var . platycarpa Thur. From Thorshavn. . 3 / 4 : 1. 
(H. Westergaard del.) 
is a more southerly variety of Fucus spiralis , while the typical form 
occurs more particularly in the northern regions, but may also be 
found growing together with var. platycarpa in the southern. I 
