564 
POLYPI. 
Genus 23.—AGARICIA.— Lamarck. 
Generic Character. — Stony and fixed, with depressed, some¬ 
what foliaceous expansions, one surface having furrowed or 
starry wrinkles; the stars lamellar, sessile, frequently imperfect 
and indistinct. 
Agaricia ampliata. — The Increasing Agaricia. 
Plate CIV. fig. 23. 
Fan-shaped, and foliaceous ; longitudinally rugose ; stars few 
and imperfect. 
Genus 24. — P A V ONI A.— Lamarck. 
Generic Character. — Frondeseent, fixed, stony, with some¬ 
what straight or ascending foliaceous lobes; with the two sur¬ 
faces grooved, or with starry wrinkles; stars lamellar, sessile, 
and somewhat imperfect. 
Pavonia agaricites. — The Mushroom Pavonia. 
Plate CIV. fig. 20. 
Undulations stelliferous, transversely flexuous and acute. In¬ 
habits the American seas. 
Genus 25. —FUNGIA.— Lamarck. 
Generic Character. —Free, stony, simple, in orbicular or ob¬ 
long convex masses ; lamellar above, with an oblong groove in 
the centre ; concave and unequal beneath; upper surface with 
one subproliferous star; the laminae laterally spinous, or toothed. 
Fungia agariciformis. — The Mushroom-Shaped Fungia. 
Plate CV. fig. 2. 
Orbicular, subdepressed, and scabrous beneath; with convex 
stars, and unequal denticulated laminae, longitudinally radiate. 
Inhabits the Red Sea. 
Genus 28.—CARYOPHYLLIA.— Lamarck. 
Generic Character. —With a stony, polypiferous, simple, or 
branched mass, the branches and stems somewhat turbinated, 
and longitudinally striate, each terminated by a lamellar, star¬ 
shaped cell. 
