58 
miBE II.— CARYOPHYLLACEA. 
septate at middlej the coral secretions forming at base seriatelj i 
or interruptedly, j 
L THE TRANSVERSE SEPTA STRAIGHT OR A LITTLE OBLIQUE, SOMETIMES OBSOLETE, | 
Genus L— CYATHOPHYLLUM. | 
Quite simple, ramose or glomerate. Corallum within trans- i 
versely septate ; cells concave, regularly stellate ; numerous in- | 
termediate dissepiments uniting the lamella, and the outer por- I 
tions of the corallum of a polyp consequently angularly cellular. 
Genus II.— CALOPHYLLUM.— Dana. 
Quite simple, caliculato-ramose or aggregate. Corallum with- 
in transversely septate, cells simply concave, regularly stellate ; 
no intermediate dissepiments between the lamellse, and the sides 
of the corallum, therefore, not cellular. 
Genus III.— AMPLEXUS.— Soweeby. 
Cyathophyllidae with the stems subcylindrical, slightly un- 
even. Corallum within transversely septate, septa very broad 
and nearly straight, extending quite to the sides ; cells many- 
rayed. 
Genus IY. — CAISTINIA. — Michelin. || 
Quite simple or aggregato-gemmate. Corallum within trans*| j 
versely septate ; cells concave ; one or more rays of the star, on i i| 
one side, obsolete, and the transverse septa beneath this part.? =i 
having a funnel-shaped depression; general texture like that of! ' 
the Calopliylla. 
Genus Y. — ACEEYULAEIA. — Schweigger. 
Eamose or aggregate. Corallum imperfectly transverse-sep- b 
tate, or not at all so ; cells at summit acervately proliferous. || 
