414 
CYPERACEJS. 
[ Cyperus . 
compound, nearly a foot long and broad, bracteated by 5-6 broad 
linear leaves 1-2 feet long; spikelets crowded, f-1 in. long, 30-40- 
flowered. Glubes oblong-rhomboidal-navieular, in. long, brown-drab, 
much imbricated, obtuse, with 3-5 ribs on the back. Achene obovoid, 
nearly black, half as long as the glume. 
Mauritius, in marshes through the island. Also Madagascar and the Cape. 
Horne. 
2. KYLLINGA, Eottb. 
Flowers hermaphrodite, usually one, sometimes two fertile in a spikelet 
of 4 ovate-lanceolate much imbricated distichous glumes. Hypogynous 
bristles 0. Style bifid, deciduous, not bulbous at the base. Achene 
minute, lenticular. — Perennial herbs, with short creeping rhizomes, 
narrow grass-like leaves and minute spikelets congested into a terminal 
head, bracteated as in Cyperus and Mariscus by several leaves reduced 
in size, but unaltered in texture. Distrib. Warmer zones of both 
hemispheres. Species about 10. 
* 
One flower in the spikelet fertile. Involucre 3-4 
leaved. 
Head globose 1. K. monocephala. 
Head with usually two accessory ones at the 
side 2. K. triceps. 
Two flowers in the spikelet fertile. Involucre 4-8 
leaved 3. K. polyphylla. 
1. K. monocephala, Rottb. ; KuntJi , Enum . ii. 129. Bhizome 
short-creeping. Stem foot long, slender, triquetrous. Leaves 3-4 
to a stem, T V in. broad, as long as the stem. Spikelets in a single globose 
terminal head, bracteated by 3-4 narrow linear leaves 2-4 in. long ; 
each in. long, with only a single flower fertile. Glumes greenish- 
white, ovate-lanceolate, acute, 5-7-nerved, often scabrous on the edge, 
and distinct green keel. Achene elliptical, yellowish-brown, half as 
long as the fertile glume. Stamens 2, rarely 1 or 3. K. sororia, Kunth , 
Enum. ii. 131. K. cruciformis, Schrad. ; Kunth , Enum. ii. 131 (monan- 
drous form). 
Var. K. cylindrica, Kees ; Kunth, Enum. ii. 133. Heads oblong. 
Spikes | in. long. Glumes whitish. Stamens 2. 
Var. K. breyieolia, Eottb. ; Kunth , Enum. ii. 130. A more 
robust variety, with broader leaves than in the type, larger spikes and 
stamens usually 3. 
Mauritius, Rodriguez, and Seychelles, common in swampy places. Round 
the world in the Tropics. 
2. K. triceps, Rottb. ; Kunth Enum. ii. 133. Bhizome short- 
creeping. Stems 1 foot long, triquetrous. Leaves 3-5 to a stem, 
