the Briti/Jj Fuci> with particular Defcriptions of each Species. in 



and forming a new leaf, (imilar to, and nearly as large as, that from 

 which itifTues. The fructification, which is rarely met with, con- 

 fifts of minute round tubercles, each fupported on a fhort peduncle, 

 and when filled with ripe feeds of a dark purple colour, nearly 

 black, fituate on the footftalks of the leaves. Similar tubercles are 

 fometimes obferved placed on the midrib of the larger leaves. 

 It adheres to the rocks by a fmall, thick, folid, but knobbed and 

 mifhapen callofity, and is found on various parts of the Britifh 

 coaft. We have met with it at Sidmouth in Devonshire, and Fal- 

 mouth in Cornwall ; and it has alfo been thrown up along with 

 other rejectamenta upon the fandy fhore at Yarmouth in Norfolk. 



3. Fucus sinuosus. 



F. caule tereti ramofo, foliis oblongis undulatis ramofo-finua- 

 tis fpinofo-dentatis. Buddie, p. 26. «.. 3. Uvedale, p. 11.71. 3. 



R* Syn. p. 47. n. 34. Fl. Dan. t. 6 52. 

 Fucus crenatus. Gmeiin y 184. /. 24./. I. 

 Fucus rubens. Fl, Ang. p. $73. FL Scot. p. 943. Withering, vol. 3. 



A 2 35- 

 Var. /3 foliis fubcartilagineis dentatis. 



Habitat in littoribus marinis ubique j /5 apud Cromer Norfolcias. 



Adhaeret rupibus callo paululum explanato — From palmaris, 

 rubra — Caulis filiformis, teres, crailitie fill emporetici minoris, ra- 

 mofus — Folia fub-oppofita membranacea, tenera, obovata, crenata 

 crenis diftantibus, fefquiuncialia, nervofa — Nervus primarius me- 

 dium folium percurrens, aliis conflanter oppofitis pinnatus eft — 

 matura planta. folia prolifera evadunt ; fcilicet nervi laterales elon- 

 gati, et demum foliorum oblongorum primarii fiunt ; exinde mar- 

 9 gines,, 



