956 CRYPTOGAMIA ALGJE. 



Ipecimens five or fix inches. It is found how- 

 ever much larger in North Britain than in the 

 South i for on the Englijh flnores it feldom 

 exceeds two or three inches. 



The ftalk is filiform, comprefs'd, opaque, and 

 branched. The branches grow without order, 

 of a long elliptic figure, doubly and often 

 trebly pinnated, being compounded of fine, 

 oppofite, linear pinnules, affix'd to a flraight 

 central rib, fo as to refemble a mofl: delicate 

 feather. 



The fru(5tifications are extremely minute oval 



capl'ules, fupported on peduncles, and burfting 



* into about four fegments or cilia, fomething 



like the Bryums. Thele capfules are red, and 



• ' placed between the fecond order of pinnules 



■ on the branches -, appearing only like dots t^ 



. the naked eye. - 



nereideus F. fronde cartilaginea filiformi-comprelTa ramofa, 



^6* ramulis fetaceo-pinnatis. Solander.-—[F\3C\3S 



fericius. Gmel.hift.fiicor, p. 149. /. 15./. 3. et 



FVCVS fpinofus. p. 161. t. 18. /. 3. quoad fg.) 



Briftly-edged Fucus. Jnglis. 



In the Frith of Forth and other places, but not 



common. 

 The color is a deep red, or purple. The fubftance 

 cartilaginous, fomewhat ftiff and elaftic when 

 ' dry. The height about two or three inches. 

 ' 3 The 



