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390 74..FUCUS. 2.THALASSIOPHYT^. PLcell.aph.
|3. latifolius. Upper lobes ovate, lanceolate, widening
upwards.
y. integer. Edges scarcely serrate.
2. Fticus ceranoides. Horn wrack.
Thallus flat, mid-ribbed, slightly forked ; edge not cut;
side branches slender; apothecia compressed, linear, pointed.
Fucus ceranoides, Lin. S. P. 1626 ; Turn. IlisL S9 ; Engl. Bot. 215.
Fuciis disticUus, Esper, 139.
Sea-shore; perennial; winter.
3. Fucus vesiculosus. Bladdery wrack,
Thallus flat, mid-ribbed, linear, forked ; edge not cut
vesicles spherical, innate ; apothecia compressed, elliptical.
Fucus sive alga marina latifolia vulgatissima, Raii Syn. 40, 4.
Fucus vesiculosus, Lin. S. P. 1626,
Fucus niauiillaris, Esper, 1 18.
Fucus quercus marina, Gmelin, 60.
Fucus divaricatus, Lin. S. P. 1627.
Sea-shore; perennial; winter.
/3. injlatus. Thallus inflated at the tip ; vesicles long.
Fucus inflatus, Lin. S. P. 1G37.
y. spiralis. Thallus twisted, spiral ; vesicles ; apothecia
roundish.
Fucus spiralis maritimus major, Raii Syn. 41,5.
Fucus spiralis, Lin. S. P. 1G27 ; Engl. Bot. 1685.
^. volubilis. Thallus twisted ; vesicles ; tips long, pointed.
e. acutus. Thallus narrow; vesicles innate; tips long,
lanceolate, pointed.
K. august if'olius. Thallus narrow; vesicles 0; apothecia
slightly pedicelled, linear, lanceolate, pointed.
Fucus angustifolius, Withering Bot. Arr. 92.
y]. Sherardi. Thalhis nari'ow, small ; vesicles ; apothecia
short, oblong.
Fucus Sherardii, Stackli. Ner. BrU. 72.
^.linearis. Thallus narrow, small; vesicles 0', apothecia
long, linear, lanceolate.
Fucus linearis, IIuils. Fl. Jngl. 578.
Fucus distichusj Liglitf. Fl. Scot, 912.