86 CLASS II. 



SECTION II. 

 Tentacles numerous, exceeding twelve. 



A. Polyps secreting a stony Polypary, by which they are 

 affixed (Phytocorallia polyactinea EHRENB.) 



Family IX. OcelUna EHRENB. (and Dcedalina ejusd. in part). 

 Cells circumscribed. 



Genera : CaryopJiyllia LAM., Oculina LAM., Explanaria LAM., 

 Cladocora HEMPE. and EHRENB., Anthophyllum SCHWEIGGER, EHRENB., 

 Astrcea GM. (Astrea LAM.) 



Sp. CaryopTiytt'ia ramea LAM., Madrepora ramea L., Oculina ramea EHRENB., 

 TOURNEFORT Instit. Rei herbaria, Tab. CCCXL, Madrepora, ESPER Pflan- 

 zentk., Madrepor. Tab. ix. x A., MILNE EDWARDS in CUVIER R. Ani. ed. 

 ittustree, Zooph. PI. LXXXIII. fig. i, i a, i b (with the animals). Caryoph. 

 calicularis, Cladocora calycularis EHRENB., CAVOLINI Polipi marini. Tab. 

 in, fig. i 5, pp. 4858, MILNE EDWARDS in Cuv. R. Ani. ed. ittustree. 

 PI. LXXXIII. fig. -2. 



Note. The too numerous genera in this family, severed from the 

 genus Madrepora LINN., might perhaps be properly referred to two 

 genera, Oculina and Astrcea. Add Monomyces EHRENB. with a 

 solitary star. 



Family X. Gyrosa (Dcedalina EHRENB. in part). Cells con- 

 fluent into sinuous furrows, on both sides lamellose. 



t Stars concave. 



Mceandrina LAM. Mceandra OKEN*, EHRENB. Polypary 

 stony, hemispherical, on the convex surface stars winding, con- 

 tiguous, lamellose. 



Sp. Mceandrina cerebriformis, anglice Brain-stone; Mceandr. Idbyrinthica, 

 Mus. Beslerian. 1716. Tab. xxvi. fig. i, Madrepore, SAVIGNY Descr. de 

 VEgypte, ZoopJiyt. PL v. fig. 4, &c. In this Polypary the confluent stars or 

 cells (ambulacra), with their transverse plates, resemble the mountain- 

 chains as usually engraved on geographical maps. 



Agaricia LAM. Polypary foliaceo-lobate, on one side only fur- 

 nished with furrows or stars in lamellae. 



Sp. Agaricia elephanthotus EHRENB., ESPER Pflanzenth. Madrep. Tab. xvni. 

 &c. 



Pavonia LAM. Polypary foliaceo-lobate, with leaves com- 

 pressed, on both sides stelliferous. 



1 Lehrb. der NaturgescJi. ill. i. s. 70. 1815. 



