42 



SERTULARIA. 



10. Sertularia Lonchitis. 



Sea Spleenwort. 



Sertularia artkulata pin- This Coralline has a jointed 

 nata> denticulis altemis and pennated ftem, with two 

 dijlichis apprejfis^ ovariis rows of alternate denticles ad- 

 ovatis operculatis. hering clofely to it. The ova- 



ries are oval, and have a cover 

 to each. 



Sea Spleenwort or Polypody. Ellis COrallin. pag. n. 

 tab. 6. 



Sertularia L,ichenaftrum. Linn. Syft. Nat. Ed. 12. 



P a g- I3i3- 



I have received fpecimens from the Eaft Indies of a Ser- 

 tularia very like this in appearance, but fmaller, where 

 both the denticles and branches are exactly oppofite, and 

 the joints both on the ftem and branches much clofer to- 

 gether. The S. Lonchitis was found in the harbour of 

 Dublin. 



11. Sertularia falcata. 



Sertularia de?iticulis fe- 

 cundis imbricatis trunca- 

 tis, ovariis ovato-oblongis, 

 ramis pimiatis alternis, 

 caule jlexuofo. 



Sickle Coralline* 



This Coralline has a waved 

 ftem, and branches alternately 

 pennated ; i' ele are furm •',■. d 

 wuh a fingle row of blunt 

 denticles, lying clofe one be- 

 hind the other. The ovaries 

 are of an oblong oval fhape. 



Sidle Coralline. Ellis Corallin. pag. 12. tab. 7. No. 11. 

 fig. a. A. and the center of the frontifpiece. 



Sertularia falcata. Linn. Syft. Nat. Ed. 12. pag. 1309. 



In 



