CARYOPHYLLEAD^. 



Cyathina (Ehr.) = Caryophyllea (Johnst.). Co- 

 rallum simple, or compound only by mutual ad- 

 hesion, cylindrical, or inversely sub-conical, cup- 

 like above, adherent : plates converging, graduated 

 in three series ; a sponge-like mass of contorted 

 plates in the bottom of the cup. Animal actinia- 

 like, with a ribbed mouth, and globose-tipped 



tentacles. 



C. Smithii. Fig. 50 ; n. s. 

 borealis ? 



51 



Balanophyllea (Wood). Corallum simple, cylin- 

 drical, adherent ; plates arranged in threes which 

 diverge from the circumference. Animal with a 

 protrusile mouth, not ribbed, and conical tentacles. 

 B. regia. Fig. 51 ; n. s. 

 Oculina (Lamk.). Corallum branched in a tree- 

 like manner, with long stems, solid, smooth. 



O. prolifera. 



Fig. 52 



n. s. 



J) 



