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Fl.cell.aph. 1. HYDROPHYT^E. 25. Conferva. 315
48. Covferva flacca.
Flagging crowsilk.
Threads simple, slender, bristlelike, very minute, flaccid;
joints rather shorter than broad ;
knots pellucid, contracted.
Conferva flacca, Dillvcyn, 49.
On stones, or wood in the sea, and on marine plants.
c. Coloured^ Irownish, marine.
49. Conferva ciirta. , Short crowsilk.
Threads simple, in bundles, nearly cartilaginous, short,
attenuated below, olive brown joints ; rather longer than
broad ; knots pellucid, contracted.
Conferva ctirfa, Dillwyn, 76; Engl. Bot.20M.
On marine plants.
Threads nearly upright, light brown.
50. Conferva jlaccida. Flaccid crowsilk.
Tlireads simple, in bundles, short, flaccid, straight,
broader at bottom, attenuated at the tip, light brown;
lower joints shorter than they are broad ; upper longer.
Couferva flaccida, Dillwyn, 6.
On marine plants.
Tiifts hall" an inch long; threads I'ather cartilaginous.
5 1 . Conferva fucicola Fuciis crowsilk.
Threads simple, slender, tufted, straight, short, blunt,
iron-brown ; joints twice as long as broad ; knots pellucid-
Conferva fucicola, Vtlley Marine, PI. 4 ; Dillwyn^ 66.
Conferva ferruginea, Ruth Cat. 3, iJ74.
Conferva fucorum, Rotli Cat. 3, 273.
On marine plants.
Tifls half an inch long; threads from a shieldlike base,
tip attenuated, blunt.
52. Conferva scutellata. Saucer crowsilk.
Tvfts depressed, peltate, closely entangled, rooted in the
centre ; threads branched at the bottom ; joints as long as
broad.
Conferva sciitellala, Engl. Bot. 2311.
Parasitical on the apothecia of himanthalla loreus.
Threads above simple, long; below having a few short
alternate branches, entangled into a dense, viscid, pale apparently
homogeneous mass.