38 SERTULARIA. 



Others I have met with that have grown loofely and un- 

 connected into complicated maffes of a femi-tranfparent 

 pale yellow color ; the ovaries, as in the other, were 

 wrinkled tranfverfely. 



4. Sertularia argentea.„ Squirrel *s- tail Coralline. 



Sertularia den ticulisfub- This Coralline has nearly 



oppojitis mucronatisy ova- oppoiite and fharp-pointed 



riis ovalibus, ramis al- denticles, oval ovaries, and al- 



ternis paniculatis. ternate tufted branches. 



Squirrel's Tail Ellis Corallin. pag. 6. tab. 2. No. 4. 

 Sertularia argentea. Linn. Syft. Nat. Ed. 12. p. 1308. 



5. Sertularia cupreffina. Sea-Cyprejs. 



Sertularia ak/z/i 'culis fab- This has nearly opposite and 



oppojitis oblique truncatis, oblique blunt denticles, with 



ramis paniculatis fparjis long loofe branches in pani- 



longioribus, ovariis obova- cles. The ovaries are nearly 



libus. oval. 



Sea-Cyprefs. Ellis Corallin. pag. 7. tab. 3. No. 5. 

 fig. a. A. 



Sertularia cuprejfina. Linn. Syft. Nat. Ed. 12. p. 1308. 



Thefe two laft Corallines, though fuppofed by Lin- 

 naeus to be the fame, when they come to be compared, 

 have quite a different habit and manner of growing. 

 The latter, or Sea-Cyprefs, is always found in very deep 

 water, and the fide branches often as long again as the 

 Squirrel's Tail, befides the difference of their denticles 

 and ovaries. I have feen, indeed, varieties of the Squir- 

 rel's-tail Coralline, but they are eafily known. We find 

 this is the commoner!: of all the Velicular Corallines round 



the 



