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S06 25. Conferva. 1. HYDROPHYTiE. PLcell.aph.
Alga sive Conferva fontinalis (richoides, Park. 1261, 1.
Conferva
Syn. £9, 8.
fontinalis ramosissima, glomeratim confesta,
Engl. Bot. 2192,
Dillen in Rait
Conferva glomerata, Lin. Sp. Fl. 1637 ;
Conferva cristata, Roth Cat. 1, 193.
Conferva can;i!icularis, Girod Chantr. Conf. 173.
Polysperina glomerata, Vaucher, 99.
Cliantransia glomerata, De CandoUe Fl. Fr. 2, 51.
Stones in running waters ; summer.
Threads aggregate, 3 inches long, crowded, attenuated;
branches bundled towards the tip, stiff.
11. Conferva Iceteviretis. lAght-green crowsilk.
Threads very much branched, rather stiff', bent like a
bow, light green ; branches approximate, pointed, twigs
short, alternately, facing one way ; joints 5 times as long
as broad.
Conferva laefevirens, Dillwyn, 48; Engl. Bot. 1834.
Conferva glomerata marina, Lyngbye Hydr. Dan. 154.
Stones on the sea-shores.
Tiifh bushy, light green ; iivigs pointing many together
all on one side, then several together all to the other.
12. Conferva albida. Whitish crowsilk.
Threads very much branched, in close tufts, greenish
white, rather opake; ^ra^zcAcs clustered about 4 together;
twigs opposite, zigzag, the smallest nearly parallel; joints
4 times as long as broad.
Conferva marina tonientosa, (enerior et albicans, Dillen in Raii Syn.
59, 13.
Conferva albida, Hudson Fl. Jngl. 595 ;
Sea-coasts ; June and July.
Engl. Bot. 2327.
Titfts dull, opake, cottonlike, whitish ; threads 3 mc\\e%
long, densely interwoven ;
twigs nearly horizontal.
/3. protensa. Threads 7 or 6 inches long, rather bushy,
twigs spreading, mostly opposite, straight.
13. Conferva pellucida. Transparent crowsilk.
Threads very much branched, stiff, light green ; branches
mostly three together, blunt; joints 4 or 6 times as long as
broad.
Conferva pellucida, Hudson Fl. Angl. 601 ;
Engl. Bot. 1716.
Sea-shore.
Tufts large, green, shining, pellucid, 6 inches long;
threads naked below, repeatedly branched above, cylin-
drical.