C O R A L L I N A. 127 



fhells by the bafe of thefe filaments, and are often found 

 in the Weft-Indian Ocean growing to fhells, many or 

 them together. 



36. Corallina Peniculum. Mop Coralline. Tab. 7. 



Fig. 5-3 



CoYzWinz-Jlipite/implici Coralline with afingle mem- y^J"^ 5 ' 



membranaceorugulofo^ra- branaceous wrinkled flem, on 



mis fafciculatis fajligiatis the top of which is a tuft of 



dicbotomis articulatis. jointed dichotomous branches- 



Tab. 7. Fig. 5 — 8. Tab. 25. Fig. i. 



This is the mo ft lingular of all this genus, and differs 

 from the reft by the regular wrinkles of the ftem, which 

 is fmall at the bafe, and grows wider as it rifes, till it 

 fends forth its branches at the top : from the bafe it fends 

 forth branched tubes, like the Sertularias, by which it ad- 

 heres : thefe tubes do not leffen as they extend, but have 

 an equal diameter their whole length. When the branches 

 at the top are magnified, their calcareous cruft full of 

 pores may be diftinguifhed, which brings it to this 

 genus. 



This is found in the American feas, many growing to- 

 gether, particularly near the Bahama iflands. 



I mould in this place have taken notice of the Coral- Tax. 

 lina terreftris, mentioned by Linnsus, Syft. Nat. p. 1306. x x £' 

 from other authors ; but as I found it only a defective 

 fpecimen of fome one of the trichotomous Corallines al- 

 ready defcribed, I muft refer the reader to a full account, 

 which I have already given of it in the Philofophical 

 Tranfactions, Vol. $j. pag. 415. wherein the abfurdity 



of 



