240 BRITISH SEA-WEEDS. 



tufts, parasitic ; branches few, simple, chiefly near the upper 

 part of the frond ; articulations about twice as long as broad. 

 " Tetraspores obovate, sessile, mostly axillary." 



This is another extremely minute and very doubtful 

 species. Its simple fronds and flexuous branches are the 

 characters relied on to separate it from C. Daviesii and 

 C. Rothii, both of which it more or less resembles. The 

 description of the tetraspores rests on the authority of 

 Captain Carmichael. 



