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512 25. Conferva. 1. HYDROPHYTtE. PhekU.aph.
Prolifera vesicata. Vaucher, 132.
Conferva vesicata, Jlgardh Disp. ed. 1,30.
Conferva alleniafa, Dillwyn, 43 ; Engl Bot. 2304,
Chantransia vesicala, Ds CandoUe Fl. Fr. 2, 52.
Floating in ditches and rivulets.
Tvfts closely entangled ; threads 6 or 8 inches long
joints sometimes alternately green and brownish.
^.fusca.
Threads brownish.
Conferva allernata /S, Dillwyn.
37. Conferva capillar is. Hair crowsilfu
Threads simple, slender, crisp, proliferous, entangled
joints even, about twice as long as broad, alternately compressed
when dry ; spores scattered, or in an oblong spot.
dry.
Conferva fluitans tilamentis geniculatis, Dillon Muse. 26.
Conferva capillaris, Lin.S.F. 1636.
Conferva crispa, Dillwyn, 46.
Chantransia crispa, Ds CandoUe Fl. Fr. 2, 52.
Stones in rapid rivers.
Threads 8 to 20 feet long, slimy, rough and brittle when
(3. ramnsa. Threads proliferous.
Conferva capillaris, Engl, Bot. 2364.
Prolifera crispa, Vaucher, 130.
38. Conferva rivularis. Rivulet croivsilk.
Threads simple, slender, straight, very long, dark green
joints about 3 times as long as broad, alternately com-
pi'essed when dry ; knots pellucid.
Conferva Plinii, Ger.em. 1570,2; Park. 1261,2; Raii Syn. 5S, 1.
Conferva fluviatiiis sericea vulgaris et fluitans^ Dillen Muse. 12.
Conferva rivularis, Lin. Sp. PI. 1633.
Prolifera rivularis, Vaucher, 130.
Conferva funiformia. Roth Cat. 1, 169.
Crow-silk. Hairy river-iveed.
Running waters : June to September.
Tifts 1 to 2 feet long, fluctuating, loosely entangled;
threads rather stiff.
i3. aculeata. Branches many, very short, acute.
39. Conferva compacta. Compact croivsilk.
Threads simple, slender, compactly entangled, dark
green ; joints rather longer than broad ; alternately compressed
when dry.