Page:Manual of the New Zealand Flora.djvu/846

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 * Section I. Spikelet solitary, simple, terminal.
 * Leaves flat, grassy. Spikelet oblong, many-flowered. Bract short or wanting||1. C. pyrenaica.
 * Leaves terete, strict and wiry. Spikelet ovoid, fewflowered. Bract long||2. C. acicularis.
 * colspan=2 |Section II. Spikelets several or many, androgynous or rarely diœcious, sessile, arranged in a compact or more or less interrupted spike, less often in a dense or rarely lax panicle. Styles 2.
 * Male flowers at the top of the spikelets.
 * Small, ½–2 in. Spikelets 2–4, compacted into an ovoid head ¼–½ in. long. Utricles elliptic-ovoid, conspicuously winged||3. C. pterocarpa.
 * Slender, 2–12 in. Leaves almost filiform. Spikelets 3–8, in a dense or lax spike ¼–1 in. long. Utricles ovate-lanceolate, beaked, nerved, minutely papillose||4. C. Kirkii.
 * Usually stout, 6–14 in. Leaves flat, grassy. Spikelets 4–10 in a dense spike ½–1 in. long. Utricles ovoid, beaked, strongly nerved, minutely papillose||5. C. trachycarpa.
 * Slender, strict, wiry, 6–18 in. Spikelets 6–10 in a linear spike ½–1½ in. long. Utricles narrow-lanceolate, nerved, winged above, tapering into a long subulate beak||6. C. Muelleri.
 * Slender 1–3 ft. Spikelets many, in a lax panicle, 4–9 in. long, sometimes reduced to a spike 3–5 in. Utricles narrow-lanceolate, tapering into a long subulate beak||7. C. kaloides.
 * Slender, laxly tufted, 1–2 ft. Spikelets many, in a dense or interrupted oblong spike ¾–1¼ in. long. Utricles ovoid, swollen at the base, shining, ribbed on the back, contracted into a rather long beak||8. C. teretiuscula.
 * Stout, harsh, 1–3 ft. Culms acutely triquetrous. Leaves ⅕–½ in. broad. Spikelets many, in a stout spike-like panicle 3–7 in. long. Utricles ovoid, conspicuously nerved||9. C. appressa.
 * Slender, harsh, 1–3 ft. Leaves ⅛–¼ in. broad. Spikelets many, in a linear spike-like panicle 6-18 in. long. Utricles ovoid, conspicuously nerved||10. C. virgata.
 * Slender, drooping, 2–4 ft. Spikelets very numerous in a much and laxly branched nodding panicle 1–2½ ft. long. Utricles broadly ovoid, smooth or indistinctly nerved||11. C. secta.
 * Male flowers at the base of the spikelets.
 * Slender, 4–18 in. Leaves flat, grassy. Spikelets 2–5, pale-green, compacted into a short head or spike. Utricles ovoid, nerved, narrowed into a long beak||12. C. inversa.
 * Small, depressed, ½–3 in. Leaves involute, wiry. Spikelets 2–3 or solitary. Utricles ovoid at the base; beak very long||13. C. resectans.
 * Slender, 3–14 in. Leaves involute, wiry. Spikelets 2–4, brown, compacted into a short head. Utricles broadly ovoid, smooth, nerveless, not beaked||14. C. Colensoi.
 * Slender, 4–18 in. Leaves flat, grassy. Spikelets 3–5, green, approximate or a little remote. Utricles spreading, narrow-ovoid, spongy at the base, nerved, beaked||15. C. echinata.
 * Short, 2–8 in. Leaves flat, grassy. Spikelets 2–4, red-brown, in a dense spike ½ in. long. Utricles elliptic-ovoid, not winged, faintly nerved; beak short||16. C. lagopina.
 * }
 * Stout, harsh, 1–3 ft. Culms acutely triquetrous. Leaves ⅕–½ in. broad. Spikelets many, in a stout spike-like panicle 3–7 in. long. Utricles ovoid, conspicuously nerved||9. C. appressa.
 * Slender, harsh, 1–3 ft. Leaves ⅛–¼ in. broad. Spikelets many, in a linear spike-like panicle 6-18 in. long. Utricles ovoid, conspicuously nerved||10. C. virgata.
 * Slender, drooping, 2–4 ft. Spikelets very numerous in a much and laxly branched nodding panicle 1–2½ ft. long. Utricles broadly ovoid, smooth or indistinctly nerved||11. C. secta.
 * Male flowers at the base of the spikelets.
 * Slender, 4–18 in. Leaves flat, grassy. Spikelets 2–5, pale-green, compacted into a short head or spike. Utricles ovoid, nerved, narrowed into a long beak||12. C. inversa.
 * Small, depressed, ½–3 in. Leaves involute, wiry. Spikelets 2–3 or solitary. Utricles ovoid at the base; beak very long||13. C. resectans.
 * Slender, 3–14 in. Leaves involute, wiry. Spikelets 2–4, brown, compacted into a short head. Utricles broadly ovoid, smooth, nerveless, not beaked||14. C. Colensoi.
 * Slender, 4–18 in. Leaves flat, grassy. Spikelets 3–5, green, approximate or a little remote. Utricles spreading, narrow-ovoid, spongy at the base, nerved, beaked||15. C. echinata.
 * Short, 2–8 in. Leaves flat, grassy. Spikelets 2–4, red-brown, in a dense spike ½ in. long. Utricles elliptic-ovoid, not winged, faintly nerved; beak short||16. C. lagopina.
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 * Small, depressed, ½–3 in. Leaves involute, wiry. Spikelets 2–3 or solitary. Utricles ovoid at the base; beak very long||13. C. resectans.
 * Slender, 3–14 in. Leaves involute, wiry. Spikelets 2–4, brown, compacted into a short head. Utricles broadly ovoid, smooth, nerveless, not beaked||14. C. Colensoi.
 * Slender, 4–18 in. Leaves flat, grassy. Spikelets 3–5, green, approximate or a little remote. Utricles spreading, narrow-ovoid, spongy at the base, nerved, beaked||15. C. echinata.
 * Short, 2–8 in. Leaves flat, grassy. Spikelets 2–4, red-brown, in a dense spike ½ in. long. Utricles elliptic-ovoid, not winged, faintly nerved; beak short||16. C. lagopina.
 * }
 * Slender, 4–18 in. Leaves flat, grassy. Spikelets 3–5, green, approximate or a little remote. Utricles spreading, narrow-ovoid, spongy at the base, nerved, beaked||15. C. echinata.
 * Short, 2–8 in. Leaves flat, grassy. Spikelets 2–4, red-brown, in a dense spike ½ in. long. Utricles elliptic-ovoid, not winged, faintly nerved; beak short||16. C. lagopina.
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