202 CLASS III.-^ORDER IL 



SPREADING. 



6. Gorgon I A patula. Compressed, tortuous, branch- 

 ing, almost pinnated, and of a deep red colour ; polypi 

 in two rows. 



Mediterranean. 



PALMATED. 



7. G ORG oii I A palma. Compressed, branching, and 

 almost pinnated ; branches long, undulated, nearly 

 pinnated, and cylindrical at the extremities ; axe 

 brown, horny, and closely compressed ; rind scarlet ; 

 polypi small, numerous, and dispersed ; height from 

 two to six decimetres. 



Cape of Good Hope, and Indian Ocean. 



SANGUINE. 



8. Gorgon I A mnguiuea. Branching, and cylin- 

 drical ; ramifications slender, almost simple, ascend- 

 ing, and usually on the same side as the branches ; 

 axe brown ; rind thin, of a scarlet colour, sown with 

 oblong polypi rather irregularly ranged ; height from 

 four to five decimetres. 



Indian Ocean. 



OLIVIER'S. 



9. GoRGONiA Olivieri. Rather branching, and cy- 

 lindrical ; branches .slightly flexuous ; polypi dispersed, 

 very small, and linear ; colour varying from yellow to 

 red or violet ; height from two to three decimetres. 



North America. 



ROOT-LIKE. 



10. GoRGONiA rhizomorpha. Branching; branches 

 dispersed, long, and resembling the fibres of roots ; 



