484 



3. Callogorgia. 

 Coral fan-like, pinnate. Cells in whorls. 



U. VERTICILLATA. B.M. 



Gorgonia verticillata, Pallas. 

 Gorgonia verticillans s Linn. 

 Primnoa verticillans, Ehrenb. 

 Muricea verticillans, Dana. 

 Cells in close whorls of three or six. 

 Hab. Mediterranean. 



Callogorgia flabella. 



Gorgonia verticillans, Esper, Pflanzenth. t. 42. f. 1, 2, 3. 



Primnoa Jlabellum, Ehrenb. 



Cells in close whorls of eight or ten. 



Hab. Red Sea. 



Callogorgia plumatilis, Edw. Coralliaires, 141. 



Cells small, seldom more than two in a whorl. 

 Hab. Isle of Bourbon. 



Is this Gorgonia pluma, Lamk.? 

 Callogorgia gracilis, Edw. Coralliaires, 141. 



Cells very small ; whorls far apart, and generally of four cells. 

 Hab. West Indies. 



4. Myura. 



Coral elongate, simple. Cells elongate, incurved in two rows on 

 each side of the stem ; medial groove distinct. 



Myura simplex. Mus. Paris. 



Gorgonia myura, Lamk. 

 Muricea myura, Dana. 



Primnoa myura, Edw. Coralliaires, i. 142. t. 132, f. 3. 

 Coral elongate, simple, slender. 

 Hab. ? 



II. Axis jointed, joints swollen, porous. 

 Fam. 6. Melit^ad^e. 

 Branches from the svollen joints of the stem. 



* Cells in a series on each side of the branchlets, elongate, sub- 

 cylindrical, rather tapering. 



1. ACABARIA. 



Coral fan-like, dichotomous ; branches diverging. Axis solid, 

 calcareous. 



