334. XXXIX. COMPOSITAE. [Erechtites. 



E. picridioides, Turc. in Bull. Soc. Nat. Hist. Mosc. xxiv. (1851) I. 200. 

 Senecio prenanthoides, A. Rich., Sert. Astrol. 96. S. heterophylla, Col. in 

 Trans. N.Z.I, xxvii. (1894) 389. S. tabidus, Banks and Sol. MSS. and Icon. 



NORTH and SOUTH Islands: from Mangonui to Southland. STEWART Island. T. K. 

 CHATHAM Islands. Sea-level to a.OOOft. Oct. to Jan. Also in Australia. 



2. E. arguta, DC, Prod. vi. 296. Annual or biennial, erect. Stem 



furrowed, stout, 2ft.— 4ft. high, more or less scabrid, cottony or woolly, especially 



on the undersurface of the leaves, rarely glabrate. Leaves 2in.— 4in. long, 



linear-oblong or lanceolate, acute or obtuse, the lower petioled, the upper with 



toothed auricles, irregularly pinnatifid, lobed or toothed, the teeth obtuse or 



acute. Heads smaller than in E. prenanthoides ; corymb dense. Involucral 



bracts about 12, often with a few outer at the base, shorter than the florets, 



linear-lanceolate, acute ; tips sometimes squarrose. Achene short, angular, 



hispidulous or glabrate. — Hook, f., Fl. N.Z. i. 142; Handbk. 157; Benth., 



Fl. Austr. iii. 659. E. Bathurstiana, DC, Prod. vi. 297. Senecio arguta, 



A. Rich., Fl. N.Z. 258 ; Endlich., Prod. Fl. Norf . n. 101 ; A. Cunn., Precurs. 



n. 466. S. Lessoni, F. Muell., Cat. Hort. Melb. 1858. S. plebeius, Banks and 



Sol. MSS. and Icon. 



NORTH and SOUTH Islands : from the Three Kings Islands and North Gape to Foveaux 

 Strait. STEWART Island. Nov. to Feb. Also in Australia. 



The involucres are often purple. 



3. E. SCaberula, Hook, f.^ Handbk. 157. Annual, slender, erect, 1ft.- 

 2ft. high. Stem grooved, hispid. Leaves linear-oblong or linear-lanceolate, 

 acute, 2in.— 4in. long, hispid on both surfaces, irregularly pinnatifid, lobed or 

 toothed, teeth acute ; lower petioled, upper sessile with small auricles. Heads 

 in a lax spreading corymb ; pedicels and involucres glabrous ; involucral bracts 

 ] 2—14, subulate, acuminate. Receptacle convex. Achene linear-oblong, grooved, 

 pubescent. — E._ hispidula, Hook, f., Fl. N.Z. i. 142 (not of DC). E. pumila, 

 J. B. Armst. in Trans. N.Z.I, xiii. 338. Senecio hispidulus, A. Cunn., Precurs. 

 n. 462 (not of A. Rich.). S. incomptus, Banks and Sol. MSS. and Icon. 



NORTH and SOUTH Islands: from the North Cape to Southland. STEWART Island- 

 CHATHAM Islands. Nov. to Feb. 



Armstrong's E. pumila is merely a starved state in which the inflorescence is reduced to a 

 single head. 



4. E. quadridentata, DC, Prod. vi. 295. Usually much branched 

 from the base and suffrutescent, lft.-3ft. high, the entire plant more or less 

 cottony or hoary. Leaves linear, linear-lanceolate, rarely oblong-lanceolate, 

 the lower sometimes petioled, with or without a few distant teeth, the upper 

 sessile, rarely auricled ; margins revolate. Heads very slender, in a coiymbose 

 panicle; involucral bracts 12-14, glabrous or cottony, outer bracts very few 

 or 0. Florets about 20-30. Disk-florets about 8-9. Achene linear, striate, 

 abruptly contracted at the neck, glabrous or pubescent, slender. — Hook. f. 

 Fl. N.Z. i. 142 ; Handbk. 157 ; Benth., Fl. Austr. iii. 660 ; E. plandulosa and 

 E. glabrescens, DC, Pfod. vi. 295. E. tenuifolia, DC, I.e. 296. E. Gunnii 



