F L U S T R A. 13 



to ftrengthen the animal againft the violence of the waves ; 

 which is very different from any thing in the growth of 

 vegetables. 



3. Fluftra pii of a. Hairy Sea Matt. 



Fluftra foliacea varie Sea Matt with irregular ra- 



ramofa y ports fetaceis. mifications and hairy cells. 



Irregular fpongy foliaceous Coralline. Ellis Corallin* 

 pag. 73. tab. 31. 



Fluftra pilof a. Linn. Syft. Nat. Ed. 12. pag. 1301. 



This hairy Sea Matt is found frequently incrufting the 

 fmaller fucus's on thefe coafts, and now and then riling 

 up into irregular leaf-like forms, with cells on both 

 fides. 



4. Fluftra papyracea. Paper Sea Matt. 



Fluftra papy race a utrin- Sea Matt like paper, with 



quecelliferafummitatihus cells on both fides, having the 



fecuris aciei inftar trim- tops of its branches formed 



catis. . like the edge of an axe. 



The cells of this Sea Matt are .of an oblong fquare figure, 

 fwelling out a little in the middle of each fide. The 

 openings of the cells are defended by a helmet-like 

 figure ; from hence the polype-fhaped fuckers extend 

 themfelves. This Sea Matt is of a flender and delicate 

 texture, like thin femitranfparent paper, of a very light 

 ftraw color. 



It was firft found on the coaft of SufTex, adhering to a 

 fhell. I have fince met, on the fame coaft, about Flaftings, 

 in the year 1765, with feveral fpecimens, whofe tops 



were 



