Page:Manual of the New Zealand Flora.djvu/320

280 clothed with white appressed tomentum, becoming fulvous or red when dry, veins evident on both surfaces; petiole ½–2 in. long, stout. Peduncles 1-5 at the ends of the branches, 4–12 in. long, stout, evenly tomentose, naked or with a few foliaceous bracts immediately below the head. Head large, hemispherical, 2–3 in. diam.; involucral scales imbricated in many series, tomentose. Ray-florets very numerous; ligules narrow, white. Disc-florets yellow. Pappus of one series of equal scabrid hairs thickened at the tips. Achenes long and slender, silky.—''Handb. N.Z. Fl. 125; Bot. Mag. t. 7034; Kirk, Students' Fl.'' 266. O. marginata, ''Col. in Trans. N.Z. Inst.'' xv. (1883) 321.

2. O. semidentata, ''Dcne. ex Hook. f. Fl. Nov. Zel.'' i. 115.—A small sparingly branched shrub 1–3 ft. high; branches slender, straggling, more or less clothed with white floccose tomentum. Leaves numerous, close-set, ascending or spreading, 1½–2½ in. long, ¼–⅓ in. broad, lanceolate or linear-lanceolate, acute, gradually narrowed to a sessile base, somewhat distantly serrate towards the tip, glabrous above or slightly cottony when young, white with appressed floccose tomentum beneath. Peduncles crowded towards the tips of the branches, slender, tomentose, equalling or exceeding the leaves, clothed with numerous small lanceolate bracts. Heads solitary, 1–1¼ in. diam.; involucral scales in about 3 series, acute, cobwebby at the tips. Ray-florets ligulate, purple; disc-florets violet-purple. Achenes linear, grooved, slightly pubescent.—''Hook. f. Handh. N.Z. Fl. 124; Buch. in Trans. N.Z. Inst. vii. (1875) 336, t. xiv.; Kirk, Students' Fl.'' 264. Eurybia semidentata, ''F. Muell. Veg. Chath. Is.'' 21.

3. O. chathamica, ''T. Kirk in Trans. N.Z. Inst.'' xxiii. (1891) 444.—A rather stout branching shrub 3–6 ft. high; branches, leaves beneath, and peduncles densely clothed with soft white tomentum. Leaves 1–3 in. long, ½–1½ in. broad, very variable in shape, lanceolate or elliptic-lanceolate to oblong-ovate or oblong-obovate, acute, narrowed into a short broad petiole, very thick and coriaceous, closely serrate with short blunt callous teeth; midrib and chief veins usually visible beneath. Peduncles few at the tips