G3. RAYNEKELLA. 



39 



at the tip, attenuated at the base, tending upwards in a single series 

 on each edge of the stem ; bark with a median groove on each side. 



Juncella barbadeusis, Duchass. ^- Michel. C'orall. Antilles, Siqjpl. p. 116, 

 t. 5. f. 5. 



Hab. Barbadoes and Guadaloupe. 



" Without any of the prominent lines on the bark seen in S. funi- 

 culina." — Duchassaing. 



138. Scirpearia moniliformis. 



Coral simple, filiform, erect; cells prominent, turbinate, alternate 

 or scattered ; apex umbilicate, subcylindrical ; bark Avhite, very thin, 

 membranous. 



Gorgonia moniliformis, Lamk. Mem. n. 24. 



Hah. Australia (lower part only known). 



63. RAYNERELLA. 



Coral much branched, fan-shaped, expanded in a plane ; branches 

 and branchlets pinnate ; branches diverging, subcylindrical, slender, 

 nearly of a uniform size ; branchlets opposite or alternate, diverging. 

 Bark thin, with an even, very slightly corrugated surface ; internally 

 finely granular. Polyjie-cells prominent, roundish, close together, 

 diverging irregularly on all sides of the slender branches ; apex 

 rather conical, contracted, with a central dot. Axis calcareous, hard, 

 white, with well-marked longitudinal grooves. 



Rayuerella, Gray, Ann. 8)- Mag. Nat. Hist. 1869, iii. p. 22. 



139. Raynerella aurantia. 

 Coral orange-yellow ; branches and branchlets diverging, pin- 



JyininrrcUd iiKyiitdut. 



