Page:Manual of the New Zealand Flora.djvu/248

A. Leaves rigid and coriaceous, pungent-pointed. Fruit small, 1/10–1/3 in., subterete or slightly compressed.
* Tall and stout, 2–5 ft. or more. Inflorescence a dense linear-oblong panicle, often several feet in length.
2–8 ft. high. Leaves 1–2-pinnate; leaflets broad, ¼–¾ in., excessively rigid and spinous. Middle lobe of bract not refracted	1. A. Colensoi.
2–6 ft. high. Leaves 2–3-pinnate; leaflets narrow, 1/6–1/8 in. broad. Middle lobe of bract refracted	2. A. squarrosa.
1–3 ft. high. Leaves pinnate ; leaflets ¼–½ in. broad, transversely jointed. Fruit narrow linear-oblong	3. A. Traversii.
** Small, 4–18 in. high, rarely more. Male inflorescence paniculate; female much contracted, almost concealed in the sheaths of the bracts.
4–12 in. high. Leaves 1–2-pinnate; leaflets almost squarrose, very short, 1/6–1/2 in. long, flat, grooved above	4. A. Hookeri.
12–24 in. high, polished and shining. Leaves pinnate; leaflets 3–9 in. long, 1/10–1/5 in. broad	5. A. Lyallii.
10–16 in. high. Leaves trifoliolate; leaflets 1½–4 in. long, 1/6–1/5 in. broad	6. A. Hectori.
3–7 in. high. Leaves trifoliolate or simple; leaflets 1–2 in. long, 1/12–1/8 in. broad	7. A. Traillii.
6–12 in. high, excessively rigid and coriaceous. Leaves 4–9 in., simple or forked or 3-fid; segments ¼–½ in. broad	8. A. Kirkii.
*** Small, 4–18 in. high. Both male and female inflorescence broad and paniculate.
Leaves coriaceous, pinnate or 2-pinnate at the base; leaflets 1/12–1/4 in. broad	9. A. Monroi.
Leaves firm but hardly coriaceous, 2–3-pinnate; leaflets 1/30–1/20 in. wide	10. A. polita.
**** Small, densely tufted, 3–4 in. high. Umbels few, terminal, forming a globose head.
Leaves densely imbricating, 3-fid	11. A. Dobsoni.
Leaves densely imbricating, quite entire	12. A. simplex.
B. Leaves flaccid. Fruit large, ½–¾ in. long, oblong, much compressed; carpels broadly 3- or 2-winged.
Stout, 2–3 ft. high. Leaves 3–4-pinnate. Inflorescence loosely paniculate	13. A. Dieffenbachii.

1. A. Colensoi, Hook. f. Handb. N.Z. Fl. 92.— Stem stout, erect, 2–5 ft. high, 2–3 in. diam. at the base, deeply grooved. Radical leaves numerous, forming a circle of bayonet-like spikes round the base of the stem, 1–2½ ft. long, pinnate or 2-pinnate at the base, with few secondary leaflets; leaflets 5–15 in. long, ¼–½ in. wide or more, narrow-linear, acuminate, terminating in a long and stout spine, excessively thick and coriaceous, rigid, striate, margins rough with minute serrulations; sheaths broad, sometimes quite 2 in. across, very thick and coriaceous, produced on each side above into a spinous simple or forked narrow-linear leaflet 2–6 in. long. Inflorescence a narrow-oblong cylindrical panicle composed of numerous umbels on branched peduncles springing from the axils