474 CYPERACEAE. [ Hleocharis. 
Near the seashore in Kau, Hawaii! Waikolu, Molokai! E. isso Koko Head, Oahu 
(M. & B.). = species nearly related to the preceding one, in appearance much like con- 
tracted forms of F. glomerata, Nees, from Brazil, which however wha ne fid style, a 
lenticular recon and yery obtuse glumes with a smooth and gree 
4. ELEOCHARIS, R. Br. 
Spikelet single, rawr esis the naked stem, many- to several-flowered, 
the glumes imbricate all sl only 1 or 2 of the lowest empty. Flowers 
pemerhens ite. ave 1 3-—8 (commonly 6) bristles, usually rough or 
a wards, r aa obsolete. Stamens 3. Style 2—3-cleft, its 
bulbous ae pie as a tubercle which is jointed with the apex of 
the lenticular or obtusely triangular achenium. — Leafless herbs, chiefly 
perennial, with stems sheathed at the base, from matted or creeping 
root-stocks. Spikelet without involucre. 
A considerable genus (80 species) spread over every part of the globe, mostly aquatic 
or bog herbs 
Tufted ; spikelet obtuse; style ete trifid . : ; ; : . E. 
Creeping; spikelet acute; style d : SE. paar 
. E. obtusa, Schultes. — Kunth, Enum. Pl. I, — Var. enotata. — 
fo tufted, compressed, 5—15‘ high. Spikelet ae or short-oblong, 
obtuse, 2—4” high, dull brown, bractless. Glumes numerous, all nearly 
equal, ovste, or oblong, obtuse or rounded, hyaline, 1-nerved, convex, not 
carin es 6 —8, longer than the achene, retrorsely scabrous. Style 
trifid, caries bifid. Achene ane or turgid, biconvex with the outer 
face dbo. pale-brown, shining, capped with the darker-colored short 
- and broad conical base of the style. — Scirpus rae Willd, — Gray, 
Man, Bot. BP. 496. — apts & Arn. in Bot. seine p. 
Common in «taro»-ponds and stagnant water. — A comm aya also in the eastern 
United States. — The glumes in our variety do not exhibit ee Yamuna n zone under 
the apex which distinguishes the F ccsisiaeer, plant. The stem also is decidedly flat. — 
2. E. palustris, R. Br. — Kunth, l. ec. 147. — Root-stock creeping. 
Stems cpt compressed, Spikelet Soe: lanceolate, acute, Glumes 
numerous (the ot clasping half the circumference of the spikelet), 
ovate - ae ng, rather acute, 1-nerved, somewhat carinate, reddish-brown, 
with the evanescent eel green and a white hyaline apex and margin. Style 
bifid. Achene obovate, turgid-biconyvex, yellowish-brown, shining, crowned 
with the subcordate complanate pale base of the style. Bristles generally 4- 
— Seirpus palustris, L. 
Oahu, according to Kunth, but doubtful. — A very common species in Europe, northern 
Asia and America; also found at the Cape of Good Hope and the Falkland Islds. 
5. SCIRPUS, L. 
Spikelets many- to several-flowered, terete, single, or mostly catered 
and subtended by one or more inyolucral leaves, often appearing later 
