TRIBE I. ASTR^EACEA. 159 



Arrangement of the Species. 



I. Solitary or non-budding. 



*1. E. pavonina. 4. E. rubra. 



2. E. anthophyllum. *5. E. spinulosa. 



*3. E. sphenjscus. 



II. Compound; cells simple or lobed. 



6. E. glabrescens. *9. E. aperta. 



*7. E. gracilis. *10. E. rugosa. 



*8. E. aspera. *11. E. turgida. 



III. Compound ; cells mostly long meandering. 



*12. E. meandrina. *14. E. cultrifera. 



*13. E. sinuosa. 



I. Euphyllise simplicissimse. 



1. EUPHVLLIA PAVONINA. (Lesson.) Dana. 



E. solitaria, libera, cuneiformis, superne semicircularis ; tentaculis 

 numerosis, validis, f" longis, subcequis. Corallum inferne acute 

 carinatum, aut rectum aut obtuso-angulatum, medio leviter peduncu- 

 lalum ; eztus leve, vix plicatum, radiate substriatum ; cella 2" longd, 

 et ad aperturam 1" fata, profundissimd ; lamellis non ezsertis, sub- 

 denticulatis. 



Solitary, free, cuneiform, semicircular above in outline; tentacles 

 numerous, stout, three-quarters of an inch long, subequal. Coral- 

 lum below acutely carinate, edge either straight or forming an 

 obtuse angle at centre, at middle a small pedicel; exterior smooth, 

 scarcely plicate, radiately substriate ; cell two inches long, and one 

 broad at the aperture, very deep, lamella? not exsert, subdenticulate. 



Plate 6, fig. 5, corallurn, natural size ; 5 a, the animal expanded ; 

 fig. 6, the corallurn of another variety ; 6 a, profile of same. 



Sandwich Islands, according to Lesson, who states that a large 

 number of specimens were brought to England by the Blonde. The 

 Expedition did not meet with it. 



This species is one of the free cuneiform Euphyllise. Its flabellate 



