Olearia.]
COMPOSITÆ.
279
**** Leaves alternate, small, ¼–1¼in. long (longer in O. oleifolia), coriaceous, quite entire. | |
Leaves ⅓–⅔ in., obovate-oblong, clothed with soft white tomeiitum beneath. Florets 12–20 | 21. O. moschata. |
Leaves ½–1¼ in., oblong or oblong-ovate. Florets 8–10 | 22. O. Haastii. |
Leaves 1–3 in., lanceolate or oblong-lanceolate. Florets 4–8 | 23. O. oleifolia. |
Leaves ½–¾ in., ovate or orbicular-ovate, excessively thick and coriaceous. Heads unknown | 24. O. coriacea. |
Leaves 15–12 in., orbicular to oblong. Heads solitary. Florets 6–12 | 25. O. nummularifolia. |
C. Heads small, 16–15 in. long, narrow, cylindrical, panicled. Florets few, 1–5, rarely more. Leaves large, 1½–4 in., alternate. | |
Leaves 1½–2½ in., elliptic, obtuse, undulate. Florets 3–5 | 26. O. angulata. |
Leaves 2–4 in., oblong or ovate-oblong, white beneath, often undulate. Florets 3–6 | 27. O. albida |
Leaves 2–4 in., elliptic-lanceolate, acute, flat. Florets 2–3 | 28. O. avicenniæfolia |
Leaves 1½–3 in., oblong or oblong-ovate, obtuse, undulate. Florets never more than one | 29. O. Forsteri. |
D. Heads small, 15 in. long, crowded in axillary sessile glomerules. Leaves small, alternate or in alternate fascicles. | |
Leaves ¾–1½ in., elliptic-oblong or -lanceolate | 30. O. fragrantissima. |
E. Heads small, 16–14 in. long, solitary or fascicled, Leaves opposite or in opposite fascicles, small, 15–114 in. long. | |
Leaves ¾–1½ in., obovate to linear-obovate, thin, membranous. Heads fascicled on slender pedicels. Florets 20–25 | 31. O. Hectori. |
Leaves ⅓–1 in., linear-spathulate, coriaceous. Heads fascicled; pedicels short. Involucre viscid and glandular. Florets 20–35 | 32. O. odorata. |
Leaves ½–1 in., linear-spathulate, coriaceous. Heads fascicled; pedicels slender. Involucre tomentose, not viscid. Florets 6–8 | 33. O. laxiflora. |
Leaves ¼–½in., linear-obovate, white beneath. Heads solitary or fascicled, shortly pedicelled or sessile. Florets 5–12 | 34. O. virgata. |
Leaves 15–13 in., linear or linear-obovate, yellowish beneath. Heads solitary, terminating short lateral branchlets. Florets 8–20 | 35. O. Solandri. |
Olearia rigida, Col. in Trans. N.Z. Inst. xx. (1888) 194; Kirk, Students' Fl. 271, is proved by the type specimen in Mr. Colenso's herbarium to be Senecio Bidwillii, Hook. f. In a similar manner O. xanthophylla, Col. l.c. 193, is shown to be Cassinia Vauvilllersii, Hook. f.
1. O. insignis, Hook. f. Fl. Nov. Zel. ii. 331.—A low robust spreading shrub 1–6 ft. high, rarely more; branches stout, densely tomentose. Leaves crowded at the ends of the branches, 3–7 in. long, 1–4 in. broad, oblong or oblong-ovate or narrow-obovate, obtuse, equal or unequal at the base, quite entire, excessively thick and coriaceous, glabrous and shining above, under-surface thickly