G. ANTIPATHES, 
191 
CORTICATED. 
2. Antipathes corticata. Stem but slightly branch- 
ing; branches simple, tortuous, spiny, covered with a 
thin rind that has neither pores nor cells ; height about 
four decimetres. 
Indian Ocean. 
TRIANGULAR. 
3. Antipathes triquetra. Stem triangular. 
Indian Ocean. 
DICHOTOMOUS. 
4. Antipathes dichotoma. Stem upright, very 
long, and dichotomous. 
Mediterranean. 
WOODY. 
5. Antipathes boscii. Stem flexible and branch- 
ing; branches diverging; extremities setaceous ; co- 
lour a deep brown ; height a decimetre.— Plate 14. 
fig. 5. 
North America. 
FOX-TAIL. 
(). Antipathes alopecuroides. Stem branching ; 
branches in a close panicle, shaggy, and setaceous. 
PYRAMIDAL. 
7. Antipathes py rami data. Stem tuberculous 
below, and branching ; branches numerous, springing 
from the sides, dichotomous, shorter at the top than 
in the lower part, and forming an echinated pyramid ; 
height about two decimetres. 
Indian Ocean. 
