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Pl.cell.aph. 2.THALASSIOPHYT^. 76. Mackaia. 393
Fucus granulatus, Lin. S. P. 1629 ;
Fhcus inucronatus, Turn. Syn. 73 ;
Engl. Bot. 2169.
Hist. 251,
Fucus radicaulis. Wither. Bot. Arr. 4, 111.
Sea-shore ; perennial ; Feb. and August.
6. Mackaia ericoides. Heathlike mackny,
Thallus cylindrical and naked at bottom ; branched at
the tip; Irnnches variously divided, long; twigs mostly
simple, awlshape, imbricate, spreading; vesicles ronndish.
Fucus foliis ericas seu tamarisci, Raii Syn. 49, 44.
Fucus ericoides, Lin. S. P. 163! ; Engl. Bot. 1968; Turn. Hist. 191.
Fucus tamariscifolius, Huds. Fl. yingl. 576.'
Fucus Erica marina, Gmel, 128.
Fucus selaginoides, Lin. Mant. 134.
Sea-shore; perennial; summer.
Thallus reflects bright tints when in a growing: state.
LII. 77. BACCALARIA. Gulf-weed.
Thallus distinct as to its parts; holdfasts shieldlike; stirps
threadlike, much branched; branches mid-ribbed, membranaceous,
often pierced with holes, dilated at the tip,
edges serrate; vesicles spherical, })eduncled, awnless or ending
in a round or dilated awn; sporidia in roundish thecas
intermixed with jointed fibres immersed in axillary, solitary
or racemous apothecia.
1 Baccalaria natans. Floating gulf-weed.
Thallus compressed, bipinnated ; branches alternate,
simple ; twigs linear, lanceolate, serrated ; vesicles spherical;
peduncles flat; opo^/zecia cylindrical, racemose.
Fucus natans, JLin.S. P. 1628; Engl. Bot, 2\\'^; Turn. Hist. 46.
Sea-shores; perennial; summer.
Thallus alternately bipinnate, twigs blunt, smooth.
2. Baccalaria teres. Cylindrical gulf-weed.
Thallus cyhndrical, threadlike, bipinnate; branches alternate,
mostly simple ; twigs linear, serrated ; vesicles sphe-
rical; peduncles cj^lindrical.
Fucus nalans, Hnds. Fl. Angl. 572.
Fucus bacciferus, Turn. Syn. 55 ; Mist. 27 ; Engl. Bot. 1967.
Sea, floating in large masses ; perennial : winter.
B. ohlongfolius. Twigs oblong, blunt, large toothed.