G. GORGONIA. 205 



and slightly projecting ; opening small ; axe brown ; 

 rind earthy ; height from fifteen to twenty centi- 

 metres. 



Coast of Bengal. 



GRANULATED. 



21. Gorgon I A granulata. Almost reticulated; 

 branches rather brittle than flexible, and frequently 

 dichotomous ; hardly any axe ; rind stony, covered 

 with small polypous tubercles ; colour white ; height 

 from one to two decimetres. 



Indian Ocean. 



GRANIFEROUS. 



22. Gorgon I A granifera. Fan-formed, and nearly 

 reticulated ; net-work with irregular and lengthened 

 meshes ; branches cylindrical or compressed ; cells 

 almost globulous, truncated at the summit, with a 

 round and regular opening ; axe brown ; rind thin, and 

 whitish ; height from four to five decimetres. 



The Isle of France, or Mauritius. 



M. RICHARD'S. 



23. Gorgon I A Richardii. Branches dispersed, or 

 nearly lateral, and rather fan-formed ; axe cylindrical, 

 and of unequal thickness, sometimes compressed, of a 

 consistence resembling that of the softest wood, and 

 whitish ; rind thin, friable, and of a light fawn colour, 

 sown with polypiferous cells ; the external polypi 

 having eight tentacula, and forming a conical and 

 projecting pustule of two millemetres : height six to 

 eight decimetres. 



The Antilles. 



