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302 23. Myriodact. 1 . HYDROPHYTE. PI. cell. aph.
1. Myriodaclylon endivifolium. Endive-lenf jnyriodactyle.
Fresh-water ; mass liglit green, long, flattish, solid, palii!»ate,
many-cut; lobes roundish, blunt; ilireads very much
fel?anched ; branches even-topped, spreading.
Tremella palustris gelatinosa, damas c(»rnuuiti facie, Dillen Muse. 51.
Ciinferva gelatinosa, ilamae coniua repraesentans. Dill, in Raii Syn. 60,
17.
Ulva incrassata, Hudson Fl. Jngl. 572 ; Engl. Bot. 967.
Batrachospermum fasciculalum, Vauclier, 116.
Rivularia cornudainae, Rolh Cat. 3,332.
Rivularia endivifolia. Roth Cat. 3,334.
Chastophora eiidivifolia, ^gardh Disp. ed. 1,42.
Ditches; annual; summer.
Mass tufted, 2 inches long ; threads nearly parallel
branches rather one-rowed, closer above; lotver joints five
times as long as broad, upper equal.
2. Myriodaclylon plarmm. Flat myriodactyle.
Mass flat, orbiculate, c-^ntre brown, edge greenish ;
threads concentric, slender, crowded, green.
Tremella adnata, Lin. S. P. 1672 ?
Chastophora plana, Agardh Disp. ed. 1, 43.
Rocks and stones in the sea ; May.
Mass one inch in diameter, pressed close to the rocks
havincp the habit of a lichen.
XXIV. 24. DRAPARNALDIA. St.Vine. Draparnaud,
Thallus gelatinous, composed of two kinds of threads
pimary thread equal, jointed; joints having a transverse
zone ; secondary threads pencilshape, in bundles, jointed,
ending in a long, pellucid hair; spores granular, green.
1. Draparnaldia glomerata. Conglomerated draparnaud.
Threads much branched; branches in bundles, many-
cut, pencilshape, pencils mostly alternate, ovate, blunt,
spreading ; joints twice as long as broad.
Conferva gelatinotia ;3, Hudson Fl. udngl. 598.
Cunferva Chara, Roth Cat. 3, 285.
Batrachospermum glomeratuin, Vauclier, 114.
Draparnaldia mutabilis, St. Vincent, Ann de Mus. 12, 4 02.
Draparnaldia glomerata, /tgardh Disp. ed. 1, 41.
In rivers ; annual ; winter and spring.
Tufts four inches long, appearing like a green gelatinous
jelly; threads slender, vaguely branched; joi7iis with a
transverse spore in the middle.