302 23. Myriodact. 1 . HYDROPHYTAE. Pl.cell.aph . 
1. Myriodactylon endivifolium. Endive-leaf myriodactyle. 
Fresh-water ; mass light green, long, flattish, solid, pal- 
mate, many-cut; lobes roundish, blunt; threads very much 
branched ; branches even-topped, spreading. 
Tremella palustris gelatinosa, dams cornuum facie, Dillen Muse. 51. 
Conferva gelatinosa, damge cornua repraesentans, Dill, in Raii Syn. 60, 
17 . 
Ulva incrassata, Hudson FI. Angl. 572 ; Engl. Rot. 967. 
Batrachospermum faseiculatum, Voucher, 116. 
Rivularia cornudamae, Roth Cat. 3,332. 
Rivularia endivifolia, Roth Cat. 3,334. 
Chaetophora endivifolia, Agardh Disp. eel. 1, 42. 
Ditches; annual; summer. 
Mass tufted, 2 inches long ; threads nearly parallel ; 
branches rather one-rowed, closer above; lower joints five 
times as long as broad, upper equal. 
2. Myriodactylon planum . Flat myriodactyle. 
Mass flat, orbiculate, centre brown, edge greenish ; 
threads concentric, slender, crowded, green. 
Tremella adnata, Lin. S. P. 1672 ? 
Chaetophora plana, Agardh Disp. ed. 1, 43. 
Rocks and stones in the sea ; May. 
Mass one inch in diameter, pressed close to the rocks 
having the habit of a lichen. 
CJ 
XXIV. 24?. DRAPARNALDIA. St. Vine. Draparnaud. 
Thallus gelatinous, composed of two kinds of threads ; 
primary 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 gelatinosa (3, Hudson FI. Angl. 598. 
Cunferva Chara, Roth Cat. 3, 285. 
Batrachospermum glomeratum, Voucher , 114. 
Draparnaldia mutabilis, St. Vincent. Ann. de Mus, 12, 402. 
Draparnaldia glomerata, Agardh Disp. ed. 1, 4L 
In rivers ; annual ; winter and spring. 
Tufts four inches long, appearing like a green gelatinous 
jelly; threads slender, vaguely branched; joints with a 
transverse spore in the middle. 
