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PLcelLaph. 1. HYDROPHYTE. 25. Conferva. 311
Conferva oscillatorioides, j4gardh Disp, ed. 1,29.
Conferva fugacissima oscillatorioides, Lyngbye Hydr. Dan. 137.
Ditches, adhering to grass.
32. Conferva punctalis. Dot crows'ilk.
Threads simple, very slender, rather slimy, \ox\g; joints
about twice as lonsf as broad ; granules collapsing into a
solitary globule.
Conferva punctalis, Dillwyn, 51.
Conferva brevi-articuhita, Mohr in Schroder Journ. 1801,475.
Ditches and running water.
Tufls about an inch long; threads twice as thick as
e. floccosa, pale yellowish green.
33. Conferva zonata. Girded crowsilk.
Threads simple, slender, slimy; joints as long as broad;
granules in a transverse band.
Conferva zonala, Roth Cat. "i, 269.
Conferva lucens, Dillwyn, 47 ; Engl. Bot. 1655.
Lakes and rapid streams.
Tufts gelatinous; threads 2 to 4 inches long, tapering,
acute.
34. Conferva dissiliens. Parting crowsilk.
Threads simple, slender, equal, straight, slimy, brittle;
joints half as long as broad ; at length separating from one
another.
Conferva disiliens, Dillwyn, 63 ;
Diatoma? disiU'i ens, yJgardh Disp. ed. 1,34.
Ditches.
Engl. Bot. 4464.
Tufts floating; joints hyaline, with a transverse or ovate
spot in the centre.
35. Corferva mucosa. Mvcons crowsilk.
Threads simple, very slender, slimy, yellowish green
joints rather torose, about as long as broad.
Conferva mucosa, Dillwyn, 46.
Stagnant pools.
Tufts floating; threads straight, 3 inches long, very
slimy.
36. Conferva vesicata. Bladdered crowsilk.
Threads simple, slender ; jom/i here and there inflated,
and proliferous, rather longer than broad.