TRIBE III. MADREPORACEA. 
lOS 
a little oblong“, angular, sometimes proliferous, with the cells of the same 
quite large (often f of a line) ; star and columella indistinct. 
Plate 50, fig. 6, branch of corallum, natural size; 6a, some of the verrucse, 
ditto ; 6 b, transverse section, ditto. — Sandwich Islands. — Rev. Mr. Baldwin. 
14. PociLLOPORA GRANDis {Dana). — Neat hemispherical; branches lamel- 
lar, ^ an inch thick (sometimes f), 2 to 4 inches wide, evenly verrucose, apex 
broad and naked. Corallum having the verrucse nearly globose, with the cells 
constituting them small, ^ of a line broad ; star indistinct, columella obsoles- 
cent. 
Plate 51, fig. 2, outline sketch of part of corallum; 2a, portion of a plate, 
natural size ; 2 h, verrucse, ditto ; 2 c, surface and cells, enlarged. — Feejee and 
Society Islands. — Exp. Exp. 
15. PociLLOPORA PLicATA {Dana). — Cespitose, neat hemispherical ; branches 
broad laminate, ^ of an inch thick, and 1 to 5 inches broad, sparingly subdi- 
vided, truncate and naked at summit, sides remotely verrucose, often distantly 
plicate, or having the verrucas arranged in crests. Corallum having the cells 
rather large ; star and columella distinct. 
Plate 50, fig. 7, plate, natural size; 7a, oblique view of surface, with cells 
enlarged ; 7 b, same in vertical view ; 7 c, vertical section, enlarged ; 7 d, 
transverse section, ditto. — Feejee Islands, Exp. Exp. — Sandwich Islands, Rev. 
Mr. Baldwin. 
III. Glomerato-cespitose. 
16. PociLLOPORA iNFORMis {Dana). — Glomerato-cespitose, solid at base, 
branching irregular, often gibbous and acervate, in part naked, in part re- 
motely and irregularly verrucose. Corallum having the cells small (^ of a 
line), a slender columella, and one lamella very distinct. 
Plate 51, fig. 3, corallum, natural size ; 3 a, view of surface and cells.— 
The Sandwich Islands. 
Genus Y.— FAYOSITES. — Lamarck. 
Glomerate or ramose Favositidio ; polyps segregato-aggregate,. 
the coralla therefore prismatic in structure or basaltiform ; cells 
every where contiguous, subangular ; lamellae sometimes 12 and 
broad, but usually quite obsolete. 
