Page:Manual of the New Zealand Flora.djvu/399

Cotula.] ½–2 in. long, linear-obovate or spathulate, obtuse, crenate-serrate or lobulate or semipiunatifid, often deeply pinnatifid or pinnate at the base, lobes or segments entire or the upper margins more or less deeply toothed or incised. Peduncles axillary, longer or shorter than the leaves, naked, pubescent. Heads unisexual; males ⅙–¼ in. diam.; involucral bracts few, in 2 series, oblong-orbicular, pubescent, with broad purple scarioiis margins. Florets numerous, eglandular, funnel-shaped. Female heads larger, ⅕–⅓ in. diam. or more; involucral bracts more numerous, imbricated in 3 or 4 series, incurved. Florets many; corolla ovoid-conic, inflated at the base, narrowed and minutely toothed at the mouth. Achene obovoid, curved, rounded at the back.—Kirk, Students' Fl. 328. Leptinella dioica, ''Hook. f. Fl. Nov. Zel.'' i. 129.

Annual or perennial herbs. Leaves alternate, entire or coarsely toothed. Heads small, sessile on the branches or racemose, heterogamous and discoid. Involucre hemispherical; bracts in 2 series, subequal, margins scarious. Receptacle flat or convex, naked. Female florets exterior, in several rows, fertile; corolla minute, tubular, obscurely lobed. Disc-florets few, hermaphrodite,