14 F L U S T R A. 



were digitated, and others that were very irregularly 

 divided. 



Fic^.y! 5' Fluftra carbafea. Lawn Sea Matt. 



Fluftra foliacea dicho- Subdivided Sea Matt, like 



toma> cellulis uno Jlrato lawn, with a fingle layer of 

 difpojitis. cells. 



Tab. 3. Fig. 6. 7. 



This Sea Matt has larger cells than any of this genus 

 that I have met with; they are egg-fhaped at the top, 

 the lower part of the fides are a little contra&ed, they 

 then end abruptly at the bafe. The walls that furround 

 the cells feem to be formed of a very {lender tube. 



The figure, here reprefented was drawn from a fmall 

 fpecimen, fent me by the ingenious "Dr. David Skene 

 from Aberdeen : iince which, I have received a more 

 compleat fpecimen from my worthy friend Mr. Parfons, 

 M. B. profeflor of chemiftry, at Chrift Church College, 

 in Oxford, who collected it at Leith, near Edinburgh ; 

 this is regularly dichotomous, and is ofabrowniih yellow 

 color ; the middle of the cells are almoft transparent. 



Tab. 4. 6. Fluftra bombycina. Silken Sea Matt. 



Fig. b. 



B - 5 u F\u&rafrondefcens,fron- This Sea Matt has very deli- 



dibus obtufis dichotomis et cate thin leaves, divided here 

 trichotomis confertis ra- and there at the extremities, 

 dicantibus, uno tantum fometimes in two, fometimes 

 Jlrato cellulojis. in three parts, growing toge- 



ther in tufts, fending forth 

 radical tubes, and having but 

 one layer of cells. 



Tab. 4. Fig. b. B. Bi. 



This 



