418 
CYPERACE J5. 
[Isolepis. 
globose-triquetrous, shining, nearly black, rugose, tipped with the 
persistent base of the style. Scirpus natans, TJiunb. ; JBojer, Hort. 
Maur. 383. 
Mauritius, at the Mareaux Vacouas, etc. Spread through the tropics of the Old 
World. 
2. I. barbata, B. Br. ; Kunth , Enum. ii. 208. A minute annual, 
3-4 inches high, with densely tufted erect stems, and abundant capil- 
lary basal leaves. Spikelets 3-6, congested into a single terminal head, 
bracteated by 3-4 small subulate leaves, each % in. long, 6-10-flowered. 
Glumes much imbricated, in. long, lanceolate, acuminate, green or 
castaneous. Stamen 1. Nut pale, very minute, globoso-trigouous, 
mucronate with the persistent base of the style. Scirpus tristachya, 
Bojer, Hort. Maur. 383, not Bottb. ( which is a Ficinia). 
Mauritius, in the damp alleys of the Pamplemousses garden, etc. Spread through 
the tropics of the Old World. 
8. FIMBRISTYLIS, Vahl. 
Flowers hermaphrodite, arranged in many-flowered spikelets. Glumes 
multifarious, nearly all fertile. Hypogynous bristles 0. Style 
bifid or trifid, usually pilose. A chene lenticular, with a minute disk. 
— Tufted perennial herbs, with stems leafy at the base only and small 
brown usually numerous spikelets arranged in simple or compound 
umbels. Scarcely differs from Isolepis by any technical characters, 
but taking the Mauritian species alone there is an umbel of spikelets 
here and only a head at the end of the stem in Isolepis. Distrib. 
Warmer zones of both hemispheres. Species 30 or 40. 
Fimbbistylis proper. Style bifid. 
Annual, with filiform leaves and 2-4 spikelets ... 1. F. sechellensis. 
Perennial, with flat leaves and many spikelets. 
Glumes obtuse, ^ in. long 2. F. glomerata. 
Glumes mucronate, glabrous, ^ in. long .... 3. F. diphylla. 
Glumes mucronate, hoary | in. long 4. F. perruginea. 
Trichelostylis (Nees). Style trifid. 
The only species 5. F. miliacea. 
1. F. sechellensis, Baler. Annual, densely tufted. Stems 6-9 
in. long, very slender, acutely angular. Leaves as long as the stem, 
filiform, pilose. Spikelets 2-4 in a close simple umbel, subtended by 
two subulate leaves, one of which much overtops it, each oblong, £ in. 
long, 10-12-flowered. Glumes in. long, scariose, greenish, oblong- 
lanceolate, acute. Style bifid, pilose. Achene pale, turbinate, 
striated. 
Seychelles, in dry ground, Horne , 635 ! Endemic. Habit of Isolepis puberula, 
Kunth, Enum. ii. 213 and Fimbristylis hispidula , Kunth. 
2. F. glomerata, Hees, Cyper. Bras. 77. Perennial, densely 
