202 
CLASS m.— ORDER II. 
SPREADING. 
6. Gorgon i A patula. Compressed, tortuous, brandl- 
ing, almost pinnated, and of a deep red colour ; polypi 
in two rows. 
Mediterranean. 
PALMATED. 
7. GoRGONiAfa/raa. 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 ia sanguined. 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. Gorgon i a 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. Gorgon i a rhizomorpha . Branching; branches 
dispersed, long, and resembling the fibres of roots ; 
