25 
GENUS 11. SAGARTIA (Gosse). 
Actinia (Linn.). 
Cribnna (Eurenb.). 
Actinocereus (Blainv.). 
Base broader than the column ; its outline often 
undulate, but entire. 
Column in the expanded state pillar-like, sometimes 
low and thick, sometimes tall and slender ; the 
margin notched or tentaculate, without parapet or 
fosse. Surface studded with suckers, which do not 
form permanent warts ; pierced with loopholes. Sub- 
stance fleshy, or pulpy. 
Dish sometimes wavy ; more commonly plane, some- 
times slightly turned-over at the edge. 
Tentacles varying in number, form, and arrangement 
in the different species. 
Mouth generally elevated on a more or less con- 
spicuous cone; furnished with two gonidial grooves, 
each with its pair of turbercles. 
Acontia emitted freely and copiously. 
NATURAL ORDER OF THE BRITISH SPECIES. 
1. bellis. 
t. mvea. 
2. miniata. 
3. rosea. 
8. sphyrodeta. 
9. pallida. 
4. ornata. 
5. ickthystoma. 
6. veniista. 
10. troylodytcs. 
11. viduafa. 
12. parasitica. 
