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Pl.celLaph. 2.THALASSIOPHYT^. 29.Callith. 325
9. Callilhamnion Turneri. Turner's pretty-weed.
Thallus pinnated, rose-colour; lohes opposite, simple,
or rather pinnate; joints '6 times as long as broad.
Conferva Turneri, Dillw. Conf. 100.
Ceramium Turneri, Rolh Cat. 3, 128.
Sea-shore, on sea-plants.
Thallus closely tufted, an inch high, upright, linear,
lanceolate.
10. Callilhamnion repejis. Creeping pretty-weed.
Thallus creeping, closely entangled, branched, minute,
light rose-red; branches and twigs mostly pointing one
way; knots slightly contracted; joints 3 times longer than
broad.
Conferva repen?, DUlw. Conf. 13; Engl. Bot. 1608.
Ceramium repens, Agardh Syn. G3.
Callithamnion repens, Lyngbije Hydr, Dan. 128.
Sea-shore on shells and marine plants; Autumn.
Ti/fts rather stiff, brownish red; stem creeping; branches
upright, mosily divided ; twigs spreading.
^. tenellum. Thallus light rose-red, flaccid, very slender;
branches simple.
Conferva tenell.i, Dillw. Syn. 72.
Callilhamnion repens tenellum, Lyngbye Hydr. Dan. 128.
11. Callithamnion phtmosum,. Feather pretty-weed,
Thallus creeping, branched, minute, deep rose-colour;
branches upright, below rather naked, above pinnated;
segments opposite, close ; joints twice as long as broad.
Conferva Pluma, DUlw. Syn. 72.
Parasitic on larger marine plants.
Thecce globose, mostly terminal.
12. Callilhamnion Daviesii. Davies's pretty-iveed.
Thallus branched, tufted, upright, very minute, free,
rose-red; branches and twigs alternate, scattered, pointed;
joints 3 times as long as broad.
Conferva Daviesii. Dillu:. Syn. 73; Engl. Bot. 2329.
Callilhamnion Daviesii, Lyngbye Hydr. Dan. 129.
Sea; on marine plants.
Thallus rarely more than a quarter of an inch long, not
entangled ; thecce placed in rows along the upper side of
the twigs.