Page:Manual of the New Zealand Flora.djvu/599

Utricularia.]

Slender herbs, floating or terrestrial. Leaves of the terrestrial species all radical, inconspicuous or fugacious; of the floating species scattered, multifid with capillary segments, furnished with floating bladders. Peduncles or scapes radical or axillary, either 1-flowered or bearing a few- or many-flowered raceme or spike. Calyx 2-partite; segments entire or nearly so, often enlarged in fruit. Corolla spurred at the base, 2-lipped; upper lip erect, entire or 2-lobed; lower lip larger, spreading, 3–6-lobed, with a palate projecting into the throat and almost closing the flower. Stamens 2; filaments incurved. Style short; stigma unequally 2-lobed. Capsule globose or nearly so, 2-valved or bursting irregularly. Seeds many.

1. U. protrusa, Hook. f. Fl. Nov. Zel. i. 206.—Stems floating in still water, branched, often extending to a length of several feet, slender, filiform. Leaves numerous, all submerged, spreading, pinnately multipartite; segments many, filiform; bladders numerous, about ⅛ in. long, obliquely ovoid, shortly pedicelled, attached near the base of the segments. "Scape stout, erect, 2–4-flowered. Sepals oblong. Corolla yellow; upper lip 3-lobed; lower broader, subquadrate, its disc protruded, margins recurved. Spur short, obtuse."—''Handb. N.Z. Fl.'' 222.