5. B. diversifolia, Petrie in Trans. N.Z. Inst. xix. (1887) 324.—A slender erect annual herb l–2½ ft. high. Stems grooved, glabrous or slightly cottony, simple or branched above. Leaves erect, 2–4 in. long; lower oblong or linear-oblong, narrowed into long petioles, obtuse, rather membranous, glabrous above, often puberulous beneath, entire or remotely and minutely denticulate; upper narrower, linear or linear-lanceolate, acute, sessile or nearly so, not auricled, glabrous or slightly cottony. Corymbs laxly and h-regularly branched; pedicels slender, bracteate. Heads ¼ in. long; involucral bracts 12–14, linear-lanceolate, acute. Florets 30–40; females much the most numerous. Achenes linear-oblong, grooved, hispid, crowned with a callous ring.—Kirk, Students Fl. 335.
North Island: Swamps at Karioi, base of Ruapehu, Petrie! South Island: Canterbury—Broken River Basin and Mount Cook, T.F.C. Otago—Common in the interior, Petrie! Bluff Hill, Enys. Stewart Island: Kirk. Sea-level to 3000 ft. December–January.
Best distinguished by the almost glabrous habit and erect nearly entire membranous leaves.
6. E. glabrescens, T. Kirk in Trans. N.Z. Inst. ix. (1878) 550.—A slender erect annual 1–3 ft. high; stem grooved, simple or branched above, glabrous or nearly so. Leaves very variable in size and shape, 3–6 in. long, oblong or lanceolate-oblong, deeply pinnatifid with the segments irregularly sinuate-dentate, or pinnate with a large terminal leaflet and few or many much smaller lateral ones, lower petiolate, upper sessile with broad toothed auricles, membranous, often purple beneath, glabrous or nearly so. Corymbs lax. Heads ⅓ in. long; involucral bracts 10–12, Imear, acuminate, green with white margins. Florets 20–30; females the most numerous. Achenes longer than any other New Zealand species, 18–17 in. long, pale, linear, glabrous, obscurely grooved, attenuated above, crowned with a callous ring.—Students Fl. 335.
North Island: Erewhon, Upper Rangitikei, Petrie! South Island, Stewart Island: Not uncommon in mountain districts throughout. Ascends to 4500 ft., descends to sea-level in Stewart Island. January–February.
20. BRACHYGLOTTIS, Forst.
Shrubs or small trees. Branches stout, spreading, densely clothed with white tomentum, as are the leaves beneath and branches of the inflorescence. Leaves large, irregularly lobed or sinuate. Heads small, very numerous, crowded in large much-branched terminal panicles, heterogamous, obscurely radiate. Involucre narrow; bracts in 1 series, linear, scarious, shining, usually with minute subulate scales at the base. Receptacle small, foveolate. Florets of the circumference female, irregularly lobed or
