340 HISTORY OF BRITISH ZOOPHYTES. 



qiiosa. It is attached by tubulous fibrous roots, proceeding 

 from various parts of the polypidom ; and ElHs mentions 

 that they are often hooked, to give it a firmer hokl. The 

 dicbotomous branches are jointed at their base, as shown 

 by EUis (plate xx. fig. 4). What skill and kindness in all 

 His works ! '^ The ramifications arc connected by some 

 short pliant tnhdi, which serve as so many hinges to the 

 branches to play to and fro freely, and comply with the 

 violent motions of the sea. These hinges seem to consist 

 of two short tubes, one to each row of cells, and are so 

 firmly united to each branch that they seem insensibly to 

 pass into the cells of each.^^ [Ellis.) Ovarian capsules not 

 common. 



5. Cellularia Hookeri, Sir IF, J. Hoohr. 



Hab. Found by Sir William Hooker at Torquay; and 

 by Prof. E. Eorbes in Zetland. 



This beautiful little coralline is of great rarity. It is 

 thus described by Dr. Fleming : — " Height upwards of an 

 inch, dichotomously branched; branches straight, stiff", 

 brittle, divaricate; the cells are protuberant dorsally, and 

 their rounded top is nearly free, projecting laterally, giving 

 the edge a remarkably jagged outline, and the pearly ovaria 

 are rounded.^'' In addition. Dr. Johnston states that near 



