420 POLYPI. NATANTES. 



U. Greenlandica, Lam. Stem long, attenuated above, the polypi 

 crowded in an umbel at the apex. Inhabits Northern Ocean. 

 Ellis, Coral, pi. 37, fig- a, b, c. 



Gen. 2. VIRGULARIA, Lam. Pennatula, Mull. 



Body free, linear or filiform, very long, surrounded in part by po- 

 lypiferous pinnulas, and containing a stony axis ; pinnules nu- 

 merous, small, distichous, and transverse, surrounding the 

 stem at the top. 



V. mirabilis, Lam. Stem filiform, branches distinctly pinnated ; 

 pinnae transverse, arched, lax, the margin polypiferous. Inha- 

 bits Northern Ocean. Lam. ii. 430. 



Gen. 3. RENILLA, Lam. 



Body free, flattened, reniform, pediculate, with one of its faces 

 polypiferous, and striated rays on the other ; polypi with six 

 rays. 



R. Americana, Lam. {Pen. remformis, Soland.) Colour red. Inha- 

 bits American seas Ellis, Zooph. 65. 



Gen. 4. PENNATULA, Lam. 



Body free, fleshy, penniform, with a stem naked inferiorly, wing- 

 ed at its upper part, and containing a cartilaginous or osseous 

 axis ; pinnulae distichous, open, flattened, plicated, and poly- 

 piferous in their upper margin ; polypi with radiated tenta- 

 cula. 



P. phosphorea, Lin. Stem round, fleshy, long, papillous below, and 

 scabrous ; pinnae of the margin pectinated ; colour reddish or 

 whitish/ Inhabits British seas. Ellis, Zooph. 61. 



Gen. 5. FUNICULIXA, Lam. Pennatula, Pall. 

 Body free, filiform, very simple, long, fleshy, and furnished with 

 warts or polypiferous papillae disposed in longitudinal rows ; 

 axis slender, horny, or sub-stony in the centre ; polypi solita- 

 ry upon each wart. 



F. cylindrica, Lam. Elongated, smooth, soft ; papillae bifarous, al- 

 ternate, turbinate, ascending ; axis subcapillary. Inhabits Ame- 

 rican Ocean. Lam. ii. 423. 



Gen. 6. VERETILLUM, ~Lam.Pennatula, Pall. 

 Body free, fleshy, simple, cylindrical, polypiferous in its upper 

 part, with the base naked, and more or less coriaceous ; poly- 

 pi sessile, and thickly placed on the common body ; eight ci- 

 liated tentacula at the mouth. 



V. phalloides, Lam. Stem cylindrical, subclavate, naked, with po- 

 lypi on all sides of the upper half; axis subulate, linear, and 

 quadrangular. Inhabits Indian Ocean Lam. ii. 421. 



