44 SERTULARIA. 



and proceeding from the back tube. This Coralline is 

 common on the Britifh coaft. 



I have lately received from Dominica, fome very large 

 fpecimens of this kind, fix inches high, that are loofely 

 branched, and grow eredt on fhells. The ovaries of thefe 

 are more oblong, and refemble thofe of a bean-pod, and 

 have eight or nine furrounding criftated ribs. 



Befides thefe, we often meet with a very minute va- 

 riety on the Fucus natans, or Gulph-weed, and fome 

 other varieties from the Mediterranean and the Eaft 

 Indies. 



« 3. Sertularia Myriophyl- D , r , .. n 7r 



i j r j P heal ant s-tau Lor a I line. 



ium. J 



Sertularia pinnata, pin- This Coralline, with feather- 



nis aherniS) racbi nodofa y like branches alternately dif- 

 nodulis externe arcuatis pofed on the front of the mid- 

 dijlantibus\ denticulis fe- rib or ftem, the back of which 

 cundis truncatis Jlipula- has arched knots, placed at 

 t if quem a diftance from each other ; 



the denticles are even at top, 

 each like a cup fupported by 

 a focket, with a fhort fpine in 

 front, and are placed in a row 

 above one another on the un- 

 der part of the little feather- 

 like branches. 



Pheafanf s-tail Coralline. Ellis Corallin. pag. 14. 

 tab. 8. 



Sertularia Myriophyllum. Linn. Syft. Nat. Ed. 12. 

 pag. 1309. 



The 



