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Pl.cell.aph. i'.THALASSIOPHYT^.ei.Sphseroc. 371
Fucus membranaceus nibens anguslifolius, marginibus ligulis armatis,
RaiiSyn. 47,33.
Fucus ciliatus, Lin. Mant. 436; Turn. Hist. 70; Engl. Bot. 1069.
Fucus holosetaceus, Gmel. 177.
Fucus liguhitu?, Gmel. 17S.
Uiva ciliata, De Cand. FL Fr. 2, 13.
Sphaerococcus ciliatus, ^gardh Syn. 28.
Delpi-seria ciliaia, Lamoiir. Thai.
Dulesh.
Sea-shore; perennial; winter.
TliaUus 3 or 4 inches long; eaten as a salad either alone
or after being sprinkled before drying with a little alkaline
salt.
/3. pivnatijidus. Thallus lanceolate, pinnately divided;
segments long, lanceolate, simple.
y. palmalus. Thallus lanceolate, rather naked, undivided
or palmate.
t.jiibalus. Fringes branched.
Fucus jubatus, Linn. Trans, 3, 162.
e. lanceolatiis. Thallus linear, lanceolate, very much di-
vided ; fringes divided.
Fucus lanceolatus, With. Bot. Arr. 4, 104.
^. avguslus. Thallus lineai', very much divided; segments
nearly hairlike, very slender, compressed.
>]. spinosus. Thallus linear, compressed, much and irregularly
divided, entirely covered with short, simple, awlshape
cilise.
XXXVII. 62. GIGARTINA. Plum-weed,
Thallus linear, compressed or cylindrical, very much
branched, nearly of equal thickness throughout; sporidia
in roundish tubercles, either lateral or terminal.
a. Gelidium. Thallus toothed o?i the edge, fringed j tU'
lercles roundish, on the marginal cilicB.
1. Gigartimis pistillatus. Pistilled plam-iveed,
Thallus cartilaginous, linear, compressed, irregularly
two-forked; twigs awlshape, rather two-rowed, horizontal
tubercles on the twigs, globose.
2 B 2