SERTULARIA. 3.7 



pojitis ovato-tubulojis^ova- cles placed almoft oppofite, of 

 riis ovalibus. an oval tubulous fhape. Their 



ovaries are of an oval form. 



Sea-Fir. Ellis Corallin. pag. 4. tab. 1. No. 2. fig, 

 b. B. 



Sertidaria abietina. Linn. Syft. Nat. Ed. 12. p. 1307. 



This elegant Coralline is frequently found on our coaft, 

 adhering by its vermicular tubes to moft kind of fhells : 

 it grows very erect, and is frequently infefted with little 

 minute fhells called Serpulas. The fide branches are of- 

 ten pinnated. In the winter the ovaries are in fuch abun- 

 dance as almoft to cover the denticles, but placed in a 

 very regular order. In this ftate I have received them from 

 Brighthelmftone, in Suffex. 



3. Sertularia polyzonias. Great Tooth Coralline. 



Sevtula.na.fpar/eramo- This Coralline is loofely 



fa y denticulis ovatis alter- branched, having alternate 

 ms, ovariis obovatis tranf- denticles ; the ovaries are 

 verfe rugojis.. nearly egg-fhaped and wrin- 



kled acrofs. 



Great Tooth Coralline. Ellis Corallin. pag. 5. tab. 2. 

 No. 3. fig. a. b. A. B. 



Sertularia polyzonias. Linn. Syft. Nat. Ed. 12. p. 1 3 1 2, 



We find this Coralline often growing erect, and fend- 

 ing out loofe fpreading branches. A variety is found 

 climbing up other Corallines. I received fome fpecimens 

 from the Ifle of Wight, where there were many young 

 ones climbing up the firft ftem by radical tubes, and 

 forming a firm ftrong trunck with long alternate branches; 

 thefe fpecimens were about three or four inches high. 

 , Others 



