TRIBE II. CARYOPHYLLACEA. 
11 
j 5. Gemmipora cinerascens [Ellis,) Dana. — Explanate; frond stipitate, 
j broad, hypocrateriform, often plicato-contorted, thin (margin but ^ a line thick), 
I Corallum wrinkled without; within calicles short, a line in diameter, conical 
or globoso-conical, cells f of a line broad and deep. 
Plate 27, fig. 11, surface of corallum magnified. — East Indies, Singapore.— 
Exp. Exp. 
in. Foliaceous, fronds aggregate. 
6. Gemmipora frondens [Dana). — Explanate ; fronds clustered, suberect, 
sinuate, margin | of a line thick, sometimes lobed; polyps yellow. Corallum 
not wrinkled without ; within, calicles crowded, short, subcylindrical or glo- 
boso-conical, cells deep, aperture ^ to f of a line wide. 
Plate 27, fig. 10, corallum, showing its form, and a single lobe Avith the cali- 
cles, natural size; 10a, appearance of an animal partly expanded; 10 &, sec- 
tion of folium enlarged ; 10 c, surface magnified. — Feejee Islands. — Exp. Exp. 
7. Gemmipora brassica [Dana ). — Explanate; fronds cucullately infolded 
with one another at base, thin, very large, Corallum Avith the exterior every 
Avhere wrinkled ; within, calicles rather remotely scattered, conico-cylindrical, 
cells shalloAv, ^ a line broad at the aperture. 
Plate 29, fig. 1, corallum; 1 b, transverse section of calicle, seen from aboA’-e, 
enlarged; Ic, calicle enlarged. — Feejee Islands. — Exp. Exp. 
Genus II. — ASTEyEOPOEA. — Blainville. 
Gemmiporidae with glomerate mode of growth ; polyps scat- 
tered ; calicles of corallum obsolete, cells quite deep, cylindrical ; 
interstices porous. 
1. Astr^eopora pulvinaria [Lamarck,) Blainville. — Glomerate, often glo- 
bose, incrusting ; tentacles 24 or more, brownish. Corallum very porous, sur- 
face pulvinato-echinulate ; calicles nearly hemispherical, and contiguous at 
base, sometimes nearly obsolete and distant; cells very deep, f of a line 
broad. 
Plate 29, fig. 3, corallum, natural size ; 3 a, animal, partly expanded, en- 
larged ; 3 h, cell, enlarged ; 3 c, animal, less expanded ; 3 d, vertical section of 
corallum, enlarged. — The “ Austral Seas, Peron ^ Lesueur. — Feejee Islands, 
Exp. Exp. 
2, Astr^opora pdnctifera [Lamarck,) Blainville. — Globose. Corallum 
with the cells nearly circular, unequal, small; interstices smooth, poroso- 
punctate. 
East Indies. — Lamarck. 
