1006 COMPOSITAE. | Hrechtites. 
22. ERECHTITES Rafin. )$17 
Krect annual or perennial herbs, cottony or glabrous. Leaves alternate, 
_ toothed or lobed or pinnately divided, rarely entire. Heads narrow, in 
terminal corymbs, heterogamous and discoid. Involucre cylindric; bracts 
in | series, linear, equal, appressed, sometimes with a few small ones at 
the base. Receptacle flat, naked. Female florets in 2-3 rows at the 
circumference, very slender, filiform, minutely 3—5-toothed. Disc-florets 
hermaphrodite, fewer in number than the females, tubular with a broad 
5-toothed mouth. Anthers obtuse at the base. Style-branches of the disc- 
florets elongated, truncate at the tip. Achenes linear-oblong, obtuse or 
contracted towards the apex, striate or angular. Pappus-hairs in many 
series, copious, soft, excessively slender. 
A genus of about 15 species, mainly Australasian and South American; but one 
species is found in North America, and another in Java. Three of the New Zealand 
species extend to Australia and Tasmania; the remaining three are endemic. 
* Involucral bracts 8-10. 
Glabrous or nearly so. Leaves membranous, usually regularly 
denticulate a3 40 WF “4 ss .. 1, #, prenanthoides. 
** Involucral bracts 10-14, 
Cottony or woolly. Leaves linear-oblong, lobed or pinnatifid .. 2. E. arguia. 
Scabrid with short white hairs. Leaves linear-oblong, lobed or 
pinnatifid Hs i es _ cE .. 3. H. scaberula, 
White with cottony tomentum. Leaves linear-elongate, entire or 
minutely remotely toothed ; margins revolute A .. 4. H, quadridentata, 
Glabrous or nearly so. Leaves erect, lower oblong or linear- 
oblong, upper linear, entire or denticulate .. oy .. 5. #. diversifolia, 
Glabrous or nearly so. Leaves spreading, membranous, pinnatifid 
or pinnate with a large terminal segment .. a .. 6. #. glabrescens, 
(i) Rech 
l. E. Rersiibotdes. DC. Prodr. vi (1837) 296.—A tall erect annual 
or biennial herb 1-4 ft. high, simple or branched above, glabrous or slightly 
hairy. Leaves rather distant, 2-6in. long or more, linear-oblong to 
lanceolate ofslinear-lanceolate, acuminate, lower petiolate, upper sessile 
with broad toothed auricles, membranous, regularly or irregularly closely 
and finely denticulate, rarely lobed. Corymbs very large, terminal, 6-12 in. 
across or more; pedicels slender, +-4in. long. Heads quite glabrous, + in. 
long; imvolucral bracts 8-10, narrow-linear, green with white margins. 
Florets 18-22; females more numerous than the hermaphrodite. Achenes 
linear-oblong, grooved, hairy, surmounted by a callous ring surrounding 
the base of the pappus.—Hook. f. Fl: Nov. Zel. i (1853) 141; Handb. N.Z. 
Fl. (1864) 156; Benth. Fl. Austral. iii (1866) 658; 7. Kirk Students’ FI. 
(1899) 333; Cheesem. Man. N.Z. FI. (1906) 364. enecio prenanthoides 
A. Rich. Sert. Astrol. (1834) 96. 8. heterophyllus Col. in Trans. N.Z. Inst. 
xxvu (1895) 389. : 
KerMapec Istanps: Not uncommon on Sunday Island, W. R. B. Olive, Norra 
AND Soutu IsLanps, Stewart Isutanp, CuatHam ISLANDS: From Ahipara and Mangonui 
southwards, but rare and local to the north of the Thames Valley. Sea-level to 3600 ft. 
: 7 ‘ 
October—January, Alsg in Australia and Tasmania. a 
2. E, argula Ho Prodr. vi (1837) 296.—A coarse erect. annual Sierb | 
1-3 ft. high; stem stout, grooved, branched above, more or less,.cottony 
or woolly, rarely almost glabrous. Leaves 2-4 in. long, linear-oblong or 
lanceolate, acute or obtuse, lower usually contracted into a petiole, ‘upper *, 
