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Pl.celLaph. 2.THALASSIOPHYT^. Sl.Griffit. 329
Corallina confervoidcs gelatinosa alba, geniculis crassiusculis pellucidis,
Dillen in Raii Syn. 34, 8.
Conferva
ien Muse. 33.
marina, gelatinosa, corallinse instar geniculata crassior, Dj7-
Conferva geniculata, Ellis Ph. Tr. 57, 425.
Conferva coralloides, Lin. S. P. 1636.
Conferva corallina, Lin. Syst. Feg.
2815.
973; Dillwyn Conf. 98; Engl. Bot.
Callilhamnion corallinum, Lynghye Ilydr. Dan. 126.
Sea-shore; July.
Thallas 2 or 3 inches high ; thecce sessile.
3. Griffltsia larhnta. Bearded griffitJis.
Thalliis forked, branched, pale crimson, fibrous at the
tip; twigs opposite, many-cut, very slender ; joi/2/5 thickened
above, 5 times as long as broad.
Conferva florifera, Ellis Ph. Tr. 57,425.
Conferva bai bata, Engl. Bnt. 18)4; Dillw. Syn. 75.
Griffitsia barbata, Agardh Disp. 28.
Sea-shores; July.
Thallas 2 or 3 inches high; lower Iranches divaricating;
iheccB lateral, often sessile.
4. Griffitsia miiU'ifida. Many-cut griffiths,
Thallas branched, red ; tivigs opposite or ternate, dis-
tant, many-cut ; joints cylindrical, 4 or 5 times as long as
broad.
Conferva niultifida, Engl. Bnt. 181S, not of Hudson; Dillw. Syn. 75.
GrifB(sia muUifida, Agardh Disp. 23
TlialU several, 3 to 5 inches high, fugacious rose-colour;
iranches unequal.
5. Griffitsia equisetifoUa. Horsetail griffiths.
Thallas very much branched, thick, purplish red
branches attenuated at both ends; tiuigs in whirls, tiledlike,
short, many-cut, covering the stem entirely ; jow//5 3 to
5 times as long as broad.
Conferva iinbricata, Huds. Fl. Angl. 603.
Conferva muUifida, Huds. Fl. Angl. 603.
Conferva equisetifoUa, Light/. Scot. 984; Engl. Bot. 1479; Dillw.
Conf. 54.
Sea-shore.
Thallas 3 or 4 inches long, branched, bright red when
young ; purplish brown when older ; branches cylindrical,
alternate.