CRYPTOGAMIA ALG^. 925 



hjft.fen. 15. /. 9. /. 4. exterior ai dextram 

 bona. Oeder. Dan. t. 2,55^ Gmel. hijt. fucor. 

 p. 130. /. 12. 



Prickly Fucus. Jnglis. 



Upon the fca-lhores not unfrequent. 



This is from a foot to eighteen inches long; its 

 fubftance thin and grafs-Iike, fometimes carti- 

 .:.".. laginous ; its color ufually an olive green, but 

 fometimes tawny. 



The flalk is veryfmall, thread-Hiaped, comprefled, 

 and greatly branched. 



The branches are very long, narrow, linear, alter- 



;. nate, and generally fubdivided once or twice 



more into fimilar, narrow, tender, grafs-like 



fegments, edged on both fides with fine, fiiort, 



alternate, ere6l, inoffcnfive prickles, or fliarp 



?; dents, of the fame color and fubilance as the 



' branches. 



The fruftifications, fo far as we can learn, have 

 ;^: never yet been difcovered ; but its place of 

 . growth and whole habit denote it to be a 

 Fticus. 



We have fometimes feen what is fuppofed by 

 authors to be a variety of the foregoing ; but as 

 it puts on a very different face, it deferves par- 

 ticular notice. 



The 



