Page:Manual of the New Zealand Flora.djvu/405

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Erichtites.]
COMPOSITÆ.
365

oblong, grooved, hairy, crowned by a callous ring.—Hook. f. Fl. Nov. Zel. i. 142; Handb. N.Z. Fl. 157; Benth. Fl. Austral. iii. 659; Kirk, Students' Fl. 334. Senecio argutus, A. Rich. Fl. Nouv. Zel. 258; A. Cunn. Precur. n. 466; Raoul, Choix, 45.

North and South Islands, Stewart Island: Abundant from the Three Kings Islands and the North Cape southwards. Sea-level to 2500 ft. November–February.

Also in Australia and Tasmania. A common plant, varying much in stature, degree of pubescence, and the extent to which the leaves are toothed or divided.


3. E. scaberula, Hook. f. Handb. N.Z. Fl. 157.—A slender erect annual 1–2 ft. high; stem grooved, simple or branched above, rough with short white hispid hairs. Leaves 1–3 in. long, linear-oblong or lanceolate, acute or obtuse, lower petiolate, upper sessile with small stem-clasping auricles, coarsely and irregularly toothed or pinnatifid, lobes acute, again sharply toothed, both surfaces rough with short hispid hairs. Corymbs terminal, lax; pedicels slender, glabrous. Heads ¼ in. long; involucral bracts about 12, glabrous, subulate-lanceolate, acuminate, tips often recurved. Florets 20-30; females the more numerous. Achenes linear-oblong, grooved, hispid, crowned by a small callous ring.—Kirk, Students' Fl. 334. E. hispidula, Hook. f. Fl. Nov. Zel. i. 142 (not of D.C.). E. pumila, Armst. in Trans. N.Z. Inst. xiii. (1881) 338. Senecio hispidulus, A. Cunn. Precur. n. 462 (not of A. Rich.).

North and South Islands, Stewart Island, Chatham Island: Not uncommon from the North Cape southwards. Sea-level to 1500 ft. November–February.


4. E. quadridentata, D.C. Prodr. vi. 295.—An erect herb 1–3 ft. high, usually much branched from a hard and woody base, everywhere more or less clothed with white cottony tomentum. Leaves 2–6 in. long, linear-elongate or linear-lanceolate, acuminate, lower sometimes petiolate, upper sessile, with or without small auricles at the base, entire or with a few distant teeth; margins revolute. Corymbs terminal, broad, lax. Heads ⅓ in. long, involucral bracts 12–14, narrow linear-lanceolate, acuminate, glabrous or cottony, usually with a few minute ones at the base. Florets about 30, females the more numerous. Achenes linear-oblong, grooved and angled, hairy, abruptly contracted towards the tip, crowned by a callous ring.—Hook. f. Fl. Nov. Zel. i. 142; Handb. N.Z. Fl. 157; Benth. Fl. Austral. iii. 660; Kirk, Students' Fl. 334. Senecio quadridentatus, Labill. Pl. Nov. Holl. ii. 48, t. 194; A. Cunn. Precur. n. 461; Raoul, Choix, 45.

North and South Islands, Chatham Island: Abundant from the Three Kings Islands and the North Cape southwards. Sea-level to 3500 ft. November–January. Also in Australia and Tasmania.