flags. 
lo.Fucus incurvus. Hudf. Tims mar itlma Jt* 
*L'e Fiiciis teres ^ cujus ramuli fetis furfum tendentibiis funt 
R. 50. Black Wrack* Sea Pine. Round, 
branches imbricate, fegments lecund, incurved. 
On the coaR of Sullex. 
21. Fucus plicatus^ Hudf. 470. F, trichoides nojlras 
aurci color is ^ ramulorum apkibus furcatis. Pluk. aim. 
' 160. R. 45. — b. F. coralloides eredus. R. 51. Matted 
Wrack. Capileary, uniform, much branched, im- 
plex, almoft tranfparent. On the fea fhore. 
22. Fiiciis albus. Hudf. 470. F, teres albus tennu\[]i^ 
me divifus.R. 50. White Wrack. Filiform, round- 
ifh, fubdichotomous, knots tumid, branches diftant, 
acute. On the coaft of SulTex. 
23. Fucus •verrucofus. Hudf. 470* F, marinus purpu- 
rafcdis parvus^ caule et ramidis feu foliolis teretibus, 
R. 5c. Warty Wrack. Filiform, round, branches fim- 
ple, tubercles round, lateral. On the fea fliore. 
24. Fucus fcorpioides . YludL i . Fucoides eredum 
fruticuli fpecie^ fummitatibus inflexis. Pv. 38. Upright 
Wrack. Stem round, branches alternate, much 
branched, inllex at the top. On the coaft of Sulfex. 
25. Fucus rotundus, Hudf. 471. F. Kali geniculato 
Jimilis^ non tamen geniculatus. R. 43. Round Wrack. 
Round, fubdichotomous, uniform, branches ob- 
tufe, verrucofe. On the fea rocks near St. Ives in 
Cornwall. 
26. Fucus gelatlnofus- Hudf. 471. F. fpongiofus no* 
dofus. Ger* J. 1570. R. 49. Jelly Wrack. Sea-rag- 
ged-ftaff. Gelatinous, leaves roundifh, branched. 
Cn the fea fliore in the ifles of Thanet, Merfey, and 
Shepey. 
27. Fucusfiliformis.FixidL 2, Flat Wrack. Fi- 
liform, dichotomous, plane. On the coaft of Lan- 
cafliire. 
28. Fucus crifpus. Hudf. 472. F, membranaceus pur* 
pureus varie ramofus, R. 47. Curled Wrack. Leaves 
plane, dichotomous, tops dilated, bilid. On the 
iea fliore. 
29. Tucus 
