CONFERVA PELLUCIDA. 



C. filamentis erectis, ftriflis, ramofiffimis; ramis plerumque tern is, 

 obtufis ; articulis cyliadraceis diametro quintuplo longioribus. 



C.pdlucida. Fl. Ang. p. 601. "With. IV. p. 139. E. B. XXIV. f. 1716. 

 C. prolifera &. tenuior. Roth, Cat. Bot. III. p. 247. 



On rocks, and (tones in the fea in Devonfhire, Cornwall, Suffex,and Kampfiiire. 

 Hud/on. On the beach at Yarmouth. 



THIS Conferva, though faid by Hudfon to be a native of fo many counties, 

 does not feem by any means a common fpecies, and is certainly one of thofe 

 which are leaft underftood by modern botanifts. How far Dr. R.oth is right in 

 referring it as a variety to his Conferva prolifera is a point I can by no means 

 attempt to decide, as that plant is not a native of the Britifh mores, and every 

 perfon acquainted with this tribe muft be aware how impoffible it is to fpeak 

 with confidence from dried fpecimens. I rather incline, however, from their 

 different habits to think he is miftaken. 



The root of C. pellucida is a fmall di(k, from which the filaments rife in general 

 Cngle ; fimple and naked at their bafe, but foon becoming branched, and after- 

 wards fo repeatedly divided, that the appearance of the plant towards the apices 

 is remarkably bufhy. Their length is fix or eight inches ; their texture fliff, 

 wiry, and elaftic when frefh, but foon turning flaccid ; their color a remarkably 

 pleafing, pale, fubdiaphanous green, which is permanent even after drying. The 

 branches are chiefly ternate, though fometimes oppofite, or even alternate •, very 

 ftraight ; between eredl and patent; the apices bluntifh. The length of the 

 joints is about five or fix times greater than their breadth ; they are either quite 



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