ments are much finer than human hair, but their growth is fo entangled, 

 that in a dried fpecimen it is almoft impoffible to feparate them fo as to 

 nfcertain their length, which is I believe generally about half an inch ; 

 when frefh, according to Mr. Mackay's obfervations, they are of a fine 

 bloom color, but this they lofe in drying and then become of a reddifh dull 

 green. The fketch at Plate F was made by Mr. Hooker from a dried 

 fpecimen, and reprefents the filament magnified 3 and I. 

 125.* interrupta. C. filis ramofis, breviufculis, purpurafcentibus ; ramis ramu- 

 lifque alternis ; articulis furfum incraffatis, truncatis, diametro fub-quadruplo 

 longioribus. 



C. interrupta. Eng.Bot. t. 1 83 8. 



On Marine Conferva;. At Brighton ; Air. Borrer. In Bantry Bay ; 

 Mifi Hutcbhu. 



The capfules of this fpecies are divided in a remarkable manner by a 

 tranfverfe pellucid line. 



126. pcdicel'ata. C. filis dichotomo-ramofis rubris ; ramulis alternis multi- 

 fidis ; articulis furfum incraffatis, diametro fub-quintuplo longioribus. 

 T. 108. 



127. fetacea. C. filis dichotomo-ramofis, virgatis, ftriclis, intense fplendideque 

 rofeis; ramis elongatis ; articulis fub cylindraceis diametro fub quintuplo 

 longioribus. T. 82. 



128. corallina. C. filis dichotomis, lubricis, fplendide aureo-rubris •, articulis 

 furfum incraffatis, diametro quadruplo longioribus. T. 98. 



Since I publifhed my defcription of C. corallina I have not feen any 

 recent fpecimens, but I have examined many in a dried ftate, and thefe 

 have led me more and more to fufpcct that my drawing, as well as former 

 obfervations refpe£Hng the fructification of this fpecies, are in at lead fome 

 degree inaccurate. It is impoffible to form any decided opinion from dried 

 fpecimens, but I am inclined to believe that the involucrum, till the feeds 

 have arrived at maturity, fo clofely and compactly envelop the internal 



