G. GORGONIA. 207 



PLAT. 



28. Gorgon I A placomus. Branching, rarely ana- 

 stomosed ; polypi projecting, conical, and upright. 



Var. B. Branches almost compressed. 

 Mediterranean and Indian seas. 



FORKED. 



29. GoRGONiA y?/rca^a. Branching, dichotomous, 

 and cylindrical ; branches diverging, variously curved, 

 and nearly lateral ; polypi tuberculous, dispersed, and 

 discernible ; axe brown, and cylindrical ; rind whitish, 

 and rather thin ; height from fifteen to twenty centi- 

 metres. 



Mediterranean. 



AMARANTH. 



30. Gorgon 1 A amarantho'ides. Branchins:, and 

 almost fan-shaped ; branches cylindrical, lateral, and 

 thinly dispersed ; tubercles numerous, obtuse, and 

 dispersed ; axe brown ; rind whitish ; height from fif- 

 teen to twenty centimetres. 



WARTY. 



31. Gorgonia verrucosa. Branches in two rows, 

 and flexuous ; polypi projecting. 



Mediterranean, and other seas. 



Note. Colour bright orange in a living state. 



CITRON-COLOUR. 



32. Gorgonia citrina. Stem branching ; branches 

 numerous, short, and almost cylindrical, rind either 

 yellow, or a yellowish white, or greyish ; polypi pro- 

 jecting, and rather scattered than regularly disposed ; 

 height about six centimetres. 



America. 



