252 CYPERACEAE, | Carex, 
Slender, 4-18in. Leaves flat, grassy.’ Spikelets 3-5, green, 
approximate or a little remote. Utricles spreading, narrow- 
ovoid, spongy at the base, nerved, beaked b> .. 16. C. stellulata, 
Short, 2-8in. Leaves flat, grassy. Spikelets 2-4, red-brown, in 
a dense spike din. long. Utricles elliptic-ovoid, not winged, 
faintly nerved; beak short in és o a 
Stout or slender, 6-18in. Leaves flat, grassy. Spikelets 4-6, 
brownish-green, compacted into a lobed spike #-lin. long, 
Utricles elliptic-ovoid, winged, narrowed into a long beak .. 18. C. leporina. 
17. C. lagopina. 
Section Ill. Spikelets distinct, usually stalked, unisexual ; the male spikelets constantly 
uppermost, rarely mixed with female flowers ; the lower spikelets all female or with 
a few male flowers at the base or apex. 
* Styles 2. Nut lenticular or biconvex, not trigonous. 
+ Female spikelets with the male flowers (when present) at the top of the 
spikelet, very rarely below. Utricles much compressed, conspicuously nerved; 
beak very short, with an entire or very minutely 2-toothed mouth. 
Cuims 3-I4in. Spikelets 3-5, +? in. long, sessile or the lowest 
very shortly stalked. Giumes obtuse. Utricles minutely 
granular-papillose ae < + ne .. 19. C.Gaudichaudiana, 
Culms 1-2 ft. Spikelets 4-8, 1-3 in. long, the lower ones stalked. 
Glumes mucronate or even aristate oe $s -. 20. C. subdola. 
Culms 1-3ft. Spikelets 6-15. Glumes black-red. Utricles 
plano-convex, 3—5-nerved on each face .. w ra 
Culms tall, stout or slender, 1-4 ft. Basal leaf-sheaths trans- 
versely fibrillose. Spikelets 8-24, 1-4in. long, geminate or 
ternate or quinate, long-stalked and pendulous, Glumes 
aristate 3 a5 be si Ls .. 22. C. ternaria. 
Culms slender, 6-18in, Basal leaf-sheaths not transversely 
fibrillose. Spikelets 4-6, 4-ld in. long, solitary or the upper 
geminate. Glumes scarcely mucronate. Utricle not granular- 
papillose na ve a st € .. 23. C. Sinclair. 
21. C. Darwinit. 
TT Female spikelets with the male flowers (when present) at the base of the 
spikelet, very rarely at the top. Utricle plano-convex or unequally biconvex, 
beak obviously 2-toothed. 
a. Terminal spikelet always mixed with female flowers. 
Culms laxly tufted, 9-18in. Leaves broad, +4 in. Spikelets 
4-8, stout. Utricles elliptic, sharply serrate above .. 24. C. Raoulii. 
6. Terminal spikelet very rarelu mixed with female flowers. 
Culms slender, 1-2 ft. Spikelets 4-7, 3-lin. long. Glumes , 
orbicular-ovate, obtuse. Utricles densely packed, spreading <e 5° 
when ripe, unequally biconvex ; margins smooth .. .. 25, C. dipsacea. 
Culms filiform, 6-18 in., often elongating and prostrate in fruit. 
Spikelets 3-5, $-lin. long, approximate. tricles plano- 
convex or nearly so, obscurely nerved; margins serrate above 26, C. testacea. 
Culms rather stout, 4-8in., much overtopped by the leaves. 
Spikelets 3-6, closely approximate, g-lin. long.  Utricles 
elliptic-ovoid, strongly nerved, unequally biconvex; margins 
usually smooth a CF a is .. 27. C. Wakatepu. 
Culms laxly tufted, 6-18 in. Leaves short. Spikelets 2-4, male 
very stout, clavate. Utricles elliptic-ovoid, unequally biconvex, 
strongly nerved, purplish-black .. = ee, .. 28. C. devia. 
Culms very slender, 6-18 in., often elongating in fruit. Leaves 
long, flat, keeled, Spikelets 4-8, 1-2 in. long, narrow; male 
slender. Utricles narrow-elliptic, turgid, obscurely nerved ; 
margins smooth “2 Lf is oa ., 29, O. lucida. 
Culms reddish, densely tufted, 1-2 ft. Leaves strict, semiterete. 
Spikelets 4-6, 4-14 in. long. Glumes pale. Utricles elliptic, 
plano-convex ; margins serrate a. e .. 30. C. Buchanani. 
