eristaia. 
34 TRIANDRIA DIGYNIA. 
tases, OP SEYT SSS 
Gruag fhér uifge. 
Enciisu.—Water Hair-gra/s. 
Ob. Roots creeping, with very long white 
fibres. Stems very long, floating when in water, 
branched: putting forth fibres from the joints of 
the under branches, leafy, upright at top. Leaves 
flat, fmooth. Sheath fcale flender, white, fhort, 
entire. Panicle upright, fomewhat in whirls: 
little branches unequal, fpreading, fmooth, con- 
taining many flowers. Calyx, valves unequal, 
inclining to purple: outer one with three nerves 
at the bafe. Corolla,s valves equal, nerved, 
folded, fhining at top, blunt. 
A. Panicle fpike-like: calyx fomewhat hairy, 
rather 3-flowered, longer than the little fruit- 
ftalks: corolla valves unequal, terminating 
awn-like. 
Plentiful along the banks, the eaft and fouth 
fides of Howth, county Dublin. On ditch banks 
near Cahir, at the bottom of the Galty moun- 
tains, county Tlpperary. Mr. J. T. Mackay’s 
Catalogue of rare Plants. This grafs is not 
adapted for meadow, as it is fhort both in its 
foliage and ftems; it might anfwer as a pafture 
grafs 
