CRYPTOGAMIA ALGIE, 921 



opaque, vifcid and flippery to the touch ; of a 

 dirty yellow color when frefh, but blackilh 

 when dry. 



The firft rudiment of this Fucus exacflly refembles 

 a Peziza, or a fmooth circular concave difc 

 like a faucer, an inch or more in diameter, of 

 a livid color, and tough coriaceous fubfcance, 

 fupported by a cylindrical foot-flalk, about 

 half an inch long. 



From the centre of this difc, when nearly arrived 

 to its full fize, arife one, two, or more ftalks, 

 of the length and width above-mentioned, 

 fomewhat flatted or comprefs'd, and dichoto- 

 moufly divided into long, narrow, linear feg- 

 ments or thongs, taper at the ends, and void 

 of rib or nerve. 



The whole furface of the plant, when in fru6tifi- 

 cation, is covered with fmall tubercles or mu- 

 cous veficles, perforated at the top, and full 

 of feeds. 



F. fronde comprefla ramofa, foliis diftichis alter- 

 nis integerrimis, frudlificationibus pedunculatis 

 oblongis mucronatis. Sy/t. nat. edit. i^.p. 813. 

 Sp.pl. 1629. 



{Ger. emac. p. 156^. Jig, 7. Seb. Th. 11. p. 1^6, 

 *' 95- /• 3- Oed. Dan. t. 106. Gmel. hiji, 

 ftt.cor. p. 81./. 2. B. bona,) 



Podded 



