| ** Scape several- or many-flowered. | |
| Leaves rosulate, spathulate. Styles 3, 2-partite | 4. D. spathulata. |
| Leaves long, very narrow-linear, forked or dichotomous | 5. D. binata. |
| Stem leafy. Leaves lunate, peltate. Flowers pink. Styles, 3 penicillate | 6. D. auriculata. |
1. D. stenopetala, Hook. f. Fl. Nov. Zel. i. 19, t. 9.—Stemless; rootstock short, stout. Leaves 1–4 in. long or more; petioles slender, flat, perfectly glabrous; blade ¼–¾ in., spathulate, the margins and upper surface densely covered with long glandular hairs. Scape 1–6 in. long, exceeding the leaves, slender, glabrous, 1-flowered. Flowers ⅓ in. diam., white. Calyx broadly campanulate, 5-lobed, glabrous; lobes short, rounded. Petals linear-spathulate; claw very long and narrow. Styles 3, multifid almost to the base.—Handb. N.Z. Fl. 63; Kirk, Students Fl. 145.
North Island: Ruahine Range, Herb. Colenso! W. F. Howlett. South Island: Not uncommon on the higher central and western mountains, from Mount Arthur southwards. Stewart Island: Petrie, Kirk! Auckland Islands: Hooker, Le Guillon, Kirk. Altitudinal range 2500–5000 ft. in the South Island, but descending almost to sea-level in the Auckland Islands. December–February.
2. D. Arcturi, Hook. in Journ. Bot. i. (1834) 247.—Stemless. Rootstock short or 1–2 in. long, clothed with the ragged bases of the old leaves. Leaves 1–4 in. long, erect, linear-ligulate, obtuse, upper portion covered with glandular hairs, lower half glabrous; petiole almost as broad as the blade; early leaves shorter and broader, sometimes quite glabrous. Scape 2–6 in. high, slender, 1-flowered or very rarely 2-flowered. Flowers ⅓ in. diam., white. Calyx divided almost to the base; lobes 4, linear-oblong. Petals oblong or obovate, slightly exceeding the calyx. Styles 3–4, short; stigmas broad.—Ic. Plant. t. 56; Hook. f. Fl. Nov. Zel. i. 20; Handb. N.Z. Fl. 63; Benth. Fl. Austral. ii. 456; Kirk, Students' Fl. 145. D. polyneura, Col. in Trans. N.Z. Inst. xxii. (1890) 460. D. Ruahinensis, Col. l.c. xxviii. (1896) 593. D. ligulata and D. atra. Col. l.c. xxxi. (1899) 269.
North Island: Ruahine Range, Colenso, Olsen! Rangipo Plain, Petrie! South Island, Stewart Island: Abundant in mountain districts throughout. Altitudinal range usually from 2000–5000 ft., but descends almost to sea-level on Stewart Island. Also found in Australia and Tasmania.
3. D. pygmæa, D.C. Prodr. i. 317.—A very minute stemless species forming flat rosettes ⅓–½ in. diam. Leaves numerous, densely crowded; petioles short, slender; limb 120–115 diam., upper surface covered with glandular hairs; stipules large, scarious, deeply lobed, forming a beautiful silvery cone in the centre of the rosette. Scapes 1–4, glabrous, filiform, ½–¾ in. high, 1-flowered. Flowers minute, white. Calyx 4-lobed. Petals slightly longer than the calyx. Styles 4, short, clavate. Capsule oblong,. 4-valved.—Hook. Fl. Nov. Zel. i. 20; Handb. N.Z. Fl. 63; Benth. Fl. Austral. ii. 457; Kirk, Students Fl. 146.
