'ZSO BRITISH SEA-WEEDS. \_Ii/iodosjjern!ea. 



Common. Ou the coast of Ayrsliire the twisted variety is 

 the most common. I remember that it was one of the first 

 1 requested Sir W. J. Hooker to name for me, mentioning 

 its pungent taste and smell as characteristic. See fine 

 representations of the fructification in Dr. Greville^s ' Algae 

 Britannicie/ Plate xvii., and in Professor Harvey's ' Phyco- 

 logia Britannica/ Plate lix. 



PamilyXII. C0CC0CARPEJ3. 



" lie who, through nature's various walks, surveys 

 The good and fair, her faultless line portrays ; 

 'S\'hose mind, profaned" by no unhallowed guest. 

 Culls from the crowd the purest and the best ; 

 May range, at will, bright fancy's golden clime, 

 Or, musing, mount where science sits sublime, 

 Or wake the spirit of departed time." 



Pleasures of Memory. 



Genus LXIIT. GIGARTINA, Lamour. 



Gen. Char. Frond cartilaginous, either fihform, compressed, or 

 fiat, irregularly divided, purplish-red ; axis or central substance 

 composed of branching and anastomosing longitudinal filaments ; 

 the peri]>hery of dichotomous filaments laxly set iu pellucid jelly, 

 their apices monihform, strongly united together. Fructification 

 double, on distinct plants : 1, external tubercles, containing on a 



