SUBORDER ALCYONARIA. 



lines thick, and about 4 an inch long ; surface very finely areolate, 

 glabrous ; polyps scattered and few ; fuscous. 



Red Sea. Ehrenberg. 



Savigny, Egyp., tab. 1, fig. 8 ; represents a Lobularia pauciflora, Ehrenb., G. xxv., 



species having the polyps numerous, and sp. 5. 



not more than a line apart. , Lamk., 2d ed., ii. 632, No. 4. 



Ainmothea virescens, Audouin, Explic. des 



planches de Savigny. 



7. ALCYONIUM POLYDACTYLUM. (H. 4- Ehrenberg.) Dana. 



A. Jlavidum, carnosum, 4" fere ultum et 6-12" lutum, stipite brevi, 

 supra lobulosum ; lobis subramosis, fere potticaribus, lobulis 4-5' ' 

 longis, anguloso-gibbis ; polypis creberrimis; rufo-fuscis, capite retracto 

 i'" fere latis. 



Yellowish, carnose, 4 inches high, and 6 to 12 broad, with a short 

 base, lobulose above, lobes subramose, nearly an inch in size ; lobules 

 4 to 5 lines long, anguloso-gibbous ; polyps much crowded, reddish 

 fuscous, with the head contracted nearly \ a line broad. 



Red Sea. Ehrenberg. 



Lobularia polijdactyla, Ehrenberg, G. xxv., sp. 6. 



8. ALCYONIUM BRACHYCLAUUM. (H. $ Ehrenberg.) Dana. 



A. Jtavum, carnosum, 4" crassum, stipite sesquipotticari, superne lobato- 

 ramulosd; ramis sesquipollicaribus, ramuloso-verrucosis, ramulis3-4'" 

 crassis, obtusis, gibbis, brevioribus tenuioribusque ; polypis crebris, 

 rufo-fuscis. 



Yellowish, carnose, 4 inches thick, base 1 inches; above lobato- 

 ramulous, branches 1^ inches, ramuloso-verrucose, branchlets 3 to 4 

 lines thick, obtuse, gibbous, shorter and more slender than in the 

 polydactylum ; polyps crowded, reddish fuscous. 



Red Sea. Ehrenberg. 



155 



