the BrUlJl} Fuciy with particular Defa-iptiom of each Species. 227 



his defcription is not peifcftly clear ; and we have never obferved 

 the blackifh fpots with which it is there faid the whole plant is 

 fprinkled. 



Mr. Lightfoot defciibed his tuberculatus as being branched diredlly 

 from the root ; and we have in our pofTeflion a Scottifh fpeci- 

 men which agrees with that defcription, but have never obferved 

 any Englifh ones anfwerable thereto. This may pofTibly be Ray's 

 * Fucus teres riibens ramojijfimus^ though, for want of the fructifica- 

 tion being dcfcribed, it is impoffible to afcertain whether that be 

 confervoides or a variety of this fpecies. 



It is found adhering to the fub-marine rocks and ftones on almoft 

 every part of the Britilh coaft. — The var. /3, defcribed by Mr. 

 Lightfoot, we have never yet feen. 



70. Fucus AMPHIBIUS. 



F. fronde filiformi i:amofiffima, ramis alternis ; ramulis capilla- 



ribus, apice involutis tuberculatis. 

 F. fcorpioides. Gm. p. 135. R. Syn. p. 38. n. 4. /. 2. f. 6. 



Fl. Ang. p. 590. Witheringy vol. 3. p. 260. 

 /3 Ramis crafliufculis, ereifliufculis.- 

 Habitat in rupibus, faxis fub-marinis, et ad radices plantarum in 

 foffis et paluftribus maritimis frequens. Hudfon. — Inter rejedamenta 

 maris apud Yarmouth in Norfolcia legimus — /3 prope Exmouth ia 

 com. Devon. 



Radix fibrofa — Frons gregaria cartilaginea, filiformis, teres, unci- 

 alis vel fefquiuncialis, craffitie fetse porcinae, ramis alternis patenti- 

 bus — Ramuli capillares brarvifTimi alterni, patentes; fupremi in- 

 curvi, tuberculis mucilaginofis feminiferis involutis — ^Co/or ex fufco- 

 virefcens. 



G g 2 This 



