TRIBE m. MADREPORACEA. 
101 
II. Regularly cespitose, furcato-ramose or subdivided; branches vtrrucose. 
2. PociLLOPORA CESPiTOSA [Dana). Low and even-topped cespitose, 
; much and crowdedly branched, branches much shorter than in the acuta^ tor- 
tuous, 2 to 3 lines thick, and stouter at base ; summit branchlets verruciform, 
2 lines long, and often subacervate. Corallum having the cells large (-J a line 
broad), and without star or columella. 
Plate 49, fig. 5, part of a clump, natural size ; 5 a, extremity of a branch, 
! natural size. — Sandwich Islands. — Exp. Exp. 
3. PociELOPORA BREVicoRNis [Lamarck). — Low and broad cespitose, con- 
I vex, ramose, branches very short and much crowded, scarcely 2 lines apart, 
4 to 6 lines thick, often somewhat compressed above or lobed at apex, very 
obtuse and verrucose, with the verrucas 1 to li lines long, and sometimes 
acervate. Corallum having the cells ^ to ^ a line broad, and without a colu- 
mella. 
Plate 49, fig. 8, outline sketch of part of a clump, natural size. — East In- 
dies, Peron ^ Lesueur. — Feejees and Sandwich Islands, Exp. Exp. — Ceylon, 
: Rev. G. A. Apthorp. 
I 4. PociLLOPOHA BULBOSA.— Cespitose, very ramose, lax, branches tortuous, 
I incrassate at base [h, to f of an inch), above i to i of an inch thick, apex often 
digitato-palraate, summit branchlets 4 to 6 lines long. Corallum with the 
cells rather large (nearly 4 a line), star scarcely distinct, columella none. 
I Plate 49, fig. 6, outline sketch of branch of corallum, natural size ; 6 a, ex- 
tremity of a branch, ditto. — Singapore, East Indies. — Exp. Exp. 
5. PociLLOPORA DAMicoRNis. — Ccspitose, Very ramose and lax, branches 
rather stout, i to f of an inch below, 3 to 6 lines above, and at base often very 
much incrassate, variously subdivided, verrucose, subdilatate at apex and cov- 
ered with verrucse li to 2 lines long, more or less acervate. Corallum with 
the cells rather large ; star and columella obsolete. 
Plate 49, fig. 7, outline sketch of branch of corallum, natural size ; 7 a, ex- 
tremity of branch, ditto. — East Indies and Pacific Ocean. Feejee Islands and 
Singapore. — Exp. Exp. 
6. PociLLOPORA FAVOSA [Ehrcnberg). — Shrubby-cespitose, branches stout, 
alternately compressed, subtortuous, at apex clavato-incrassate, verrucose, lo- 
bate or sublobate ; polyps green. 
Plate 50, fig. 1, corallum, natural size. — Red Sea, Ehrcnberg. — Feejee Isl- 
ands and Sandwich Islands, Exp. Exp. 
7. PociLLOPORA VERRUCOSA [Lamarck). Hemispheric ally cespitose, 
branches stout, nearly straight, subdivided, often dilated or compressed at 
apex, i an inch thick, and 1 to 2 inches broad, every where neatly verrucose 
even over the summits, verrucas short, simple, the apical a little smaller than 
the lateral. Corallum with the cells rather large ; columella obsolete. 
