COM BBv | 177 



The general habit of the plant is very similar in- 

 deed to that oi C Li, in, a, mixed wnli wiiidi Mr. Berkeley 

 Pound it growing; it forms similar loosely bundled in 

 bat the diameter of the filament is Less, and tin- joint- are 

 proportionally Longer. 



321. tortuosa The twisted Conferva)\ filaments rigid, Blender, 

 much curled and twisted, forming broad closelj interwi 

 strata ; articulations twice or thrice as Long a- broad, Dillw. 



'. 46. (Atlas, PL L.W III. Fig 319.) 

 Huh. ( )n submarine rock-, at half-tide levelj also in Bait-pools 

 by the edge of I h 

 The plant published in Wyatt's 'Algae Damnonienses ' 

 under this name belongs, if I mistake not, rather t<» C. 

 riparia, Roth, to which also, perhaps, the C. perreptans of 

 Carmichae] ought to he referred. * 



322. implexa * 77// interwoven Conferva)', filaments very slender, 

 rather flaccid, forming extensive, much entangled, bright- 

 green strata ; articulations about as Long as, or Longer than 

 broad, Dillw. Suppl. i. I). (Atlas, PL L.W I II. Fig. 320.) 



Conferva ulothrix, Lyngb. ? C. intricata, Qrev. I Bangia • 



stoni, Qrev. B. yiridis, Fl. < 

 Hah. On marine rocks, 'and attached to Alga?. 



lam now of opinion that the plant called C. ulothrix 

 hi the 'British Flora/ whether the species intended by 

 Lyngbyeor d ■'. — a poinl which [ do not determine, — can- 

 not be kept separate from C. implexa. This species 

 first noticed by the Late -Miss Hutchins, at Bantry, and is 

 probably * idely dispersed. 



323. Melagonium {The darlc-green Conferva); root Bcutate; 

 filaments elongated, robust, scattered or slightly tufted, i 

 stiff and wiry, dark-green; joints twice as long as broad, 

 Web. <f Mohr, It. Suec. p. 194. t. 3. f. 2, a, b. (Atlas, 

 PL L\l\ a.) 



J/'ih. On the rock} bottoms of deep tide-pools, near Low« 



mark. Pen 'mi tl. 



This species Is \\ idely dispersed throughout the Northern 



Atlantic, from the shores of Greenland to those ^( Britain, 



(tends along the Bh< rth America as far as 



i. It is abundantly distinguished from all British 



is by the great diameter and rigidity ^\' its filaments, 



which stand erect if the water be removed from them, but 



Lorn grows in places where it is left exposed on the 



the tide. 



