96. CTPERACEiE. 
357 
Division III. GLUMIFER^. 
Leaves paraJlel-veined, persistent. Floral envelopes imbri- 
cate, bractlike. — Orders XCVI. and XCVII. 
Order XCVI. CYPEEACE^. 
Fl. perfect or unisexual, each witli a scale or ^lume, imbricate 
on a common axis. Perianth 0, or rarely membranous. Stam. 
hypogynous (3 or rarely 2 in our plants), with sometimes a row 
of Dristles or abortive filaments. Anth. erect, entire at the 
apex. Ovary 1-celled, 1 ovule at its base, often surrounded by 
bristles. Style simple, ti'ifid or bifid. Embryo inclosed within 
the base of the albumen. — L. with entire sheaths. — For figures 
of the genera see G. F. G. Monocot. ii. 
Tribe I. CYPEREJE. Fl. perfect. Gl. 2-ranked. Perianth 0. 
1. Cypeeus. Spikelets 2-ranked, many-flowered. Gl. of 
1 valve, many, keeled, nearly all with flowers. 
2. ScH(ENU3. Spikelets 2-ranked, 2 — 4-flowered. Gl. 6 — 9 ; 
several lower ones smaller, empty. Bristles few or 0. 
Tr. II. SCIRPE^. Fl. perfect. Gl. imbricate on all sides. 
Perianth 0. 
* Lowest glumes empty or smaller than the others. 
3. Cladium. Spikelets 1 — 2-flowered. Gl. 5 or 6. Bristles 0. 
Nut with a thick Jleshy coat, tipped with the conical base of 
the style. 
4. Rhynchospoba. Spikelets few-flowered. Gl. 6 or 7. 
Bristles abend 6. Ntd compressed, convex on both sides, 
crowned with the dilated base of the style. 
•* Lowest glume empty or larger than the others, sometimes all 
fertile. 
t Bristles scarcely equalling the glume or wanting. 
5. Eleochabis. One or 2 lowest gl. broader, empty. Bris- 
tles 3 — 6. Nut compressed, crowned with the persistent 
dUated base of the style. 
6. ScmpTJS. Glumes nearly equal ; or 1 or 2 lowest broader, 
empty. Bristles about 6 or 0. Nut plane-convex or tri- 
gonous ; base of the style filiform, not dilated. 
7. Bltsmus. Two lowest gl. broader, and empty. Bristles 
3 — 6. Nut plane-convex, tipped with the not dilated base 
