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

Erichtites.], 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.

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.)''.

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.