220 
CLASS III.— ORDER II. 
rind thick and corky, of a reddish brown approach- 
ing to black ; axe compressed at the articulations ; 
height from two to three decimetres. 
American seas. 
SOFT. 
4. Eunicea mollis. Cylindrical and dichotomous ; 
branches flexuous and intermixed ; rind spongy and 
blackish ; height from three to four decimetres. 
Mediterranean. 
AMBER. 
5. Eunicea succinea. Branches dichotomous ; 
papillae prominent and very open ; axe transparent, 
and of a colour resembling yellow amber. 
Nota. The three preceding species have so much 
resemblance to each other, that they may be merely 
varieties of the same species. 
PSEUDO-ANTIPATHES. 
6. Eunicea pseudo-antipathes . Branching and di- 
chotomous ; papillae broad at the base, and trun- 
cated at the summit ; rind very thick, not adhering 
Strongly to the axe, which is always compressed at 
the bifurcations ; height from two to three decimetres. 
American seas. 
CLUBBED. 
7. Eunicea clavaria. Branches cylindrical, in the 
form of clubs, and very few ; papillae with a large open- 
ing, but varying in their length ; rind blackish ; axe 
diminishing greatly by desiccation, and appearing 
compressed ; height two decimetres ; diameter of the 
