112 THE MARINE BOTANIST. 



POLYSIPHONIA URCEOLATA.— HAIR. 

 LIKE POLYSIPHONIA. 



Loosely entangled in large tufts^ of from three to 

 nine inches in lengthy the thickness of horse-hair at 

 the base ; very stiff on removal from water, and not 

 adhering well to paper. Colour a dark red. Grows 

 generally on rocks. /3 patens, a variety with re- 

 curved ramuli and fewer branches, is found clothing 

 the stems of Laminaria digitata. Summer, 



POLYSIPHONIA FORMOSA.— BEAUTIFUL . 

 POLYSIPHONIA, 



Filaments much branched, very slender, flaccid, 

 from six to ten inches high. Colour reddish- 

 brown. This plant has, from the wavy outline of 

 its branchings, a peculiarly graceful appearance 

 when spread on paper. It is usually a much more 

 slender species than the preceding. Grows on 

 rocks, &o., between tide-marks, mostly in bays and 

 estuaries. Annual, Summer. Not xmcommon. 



