CORALLINA. 123 



28. Corallina rubens. Red Thread Coralline, 



Corallina dichotoma fi- Dichotomous thread-like 



liformis, articulis Jlirpium Coralline, with the joints of 

 teretibus ; dichotomize cla- the ftem round, of the divi- 

 viformibus ; inferioribus fions nail-fhaped, and fome of 

 nonnuilis bicomibus. the lower joints have two little 



horns. 



Reddijlo Hair-like Coralline, Ellis Corallin. pag. 50. 

 tab. 24. No. 5. fig. e. E. 



Corallina rubens. Linn. Syft. Nat. Ed. 12. pag. 1304, 



This differs from the three foregoing Corallines in be- 

 ing much longer, and lels fubdivided at top. It is gene- 

 rally found two inches long, and of a red color, and is 

 very common on the coaft of Cornwall. There is a great 

 affinity between this and the three preceding Corallines. 

 I have introduced them here diftincl, becaufe their ap- 

 pearance is fo. 



The three laft are the Corallines that Dr. Job Baiter, 

 in. the Philofophical Tranfactions, Vol. 52. pag, in. 

 and 112. infifts on it are true Confervae. 



29. Corallina fragiliilima. Brittle Coralline. Tab.2i. 



TTJl 1 



Corallina dichotoma^ ar- Dichotomous Coralline with 



ticulis cylindricis cequali- fmooth, even, cylindrical 

 bus Iczvibus, ramis ereElis. joints, and erect branches. 



Tab. 21. Fig. d. 



Corallina fragilijpma. Linn. Syft. Nat. Ed. 12. p. 1305. 



This is found in the Weft-Indian Ocean, and is much 

 larger and ftiffer than the four preceding fpecies. It is 



R2 Of 



