Page:Manual of the New Zealand Flora.djvu/724

684 the lower lobe or auricle broad, obtuse.—''Hook. f. Fl. Tasm.'' ii. 21, t. 117; ''Benth. Fl. Austral.'' vi. 362; ''Fitzgerald, Austral. Orch. i. pt. 2; Cheesem. in Trans. N.Z. Inst.'' xv. (1883) 300. P. tristis, Col. in Trans. N.Z. Inst. xviii. (1886) 271.

Small tender terrestrial herbs. Root of rounded tubers at theend of long fleshy fibres. Leaf solitary, sessile, cordate. Flowers few or many in a raceme, rarely solitary; bracts usually small. Upper sepal erect or curved over the column, concave, rather narrow, acute or acuminate; lateral sepals narrower, often almost filiform, erect or spreading. Petals shorter than the sepals, subulate-lanceolate. Lip equalling the petals, sessile or nearly so, undivided, base with 2 adnate calli, disc smooth or papillose. Column elongated, erect or incurved, semiterete or winged; stigma cup-shaped, placed under the rostellum. Anther terminal, erect, 2-celled; pollinia 2 or 4 in each cell, granular.

1. A. Sinclairii, Hook. f. Fl. Nov. Zel. i. 245.—Stems slender, sometimes almost filiform, 1–6 in. high. Leaf near the base or almost half-way up the stem, sessile, ½–1½ in. long, broadly ovatecordate, acute or acuminate, deeply bilobed at the base, membranous, often purple beneath, veins reticulated. Flowers 2–12, shortly pedicelled, ¼ in. diam., green; bracts ovate, acute, the lowest sometimes foliaceous. Upper sepal ovate-oblong, aristate, 3-nervecl; lateral sepals and petals subulate-lanceolate, acuminate. Lip horizontal or deflexed, ovate-lanceolate, concave, base with 2 large calli, tip thickened and studded with minute fleshy papillae^ Column arched over the lip, much thickened and expanded towards the tip. Pollinia 2 in each anther-cell, deeply bilobed.—''Handb. N.Z. Fl.'' 264.