Page:Manual of the New Zealand Flora.djvu/229

Passiflora. diam. Seeds very numerous, compressed, wrinkled, black.—''A. Cunn. Precur. n. 524; Hook. f. Fl. Nov. Zel. i. 73; Handb. N.Z. Fl. 81; Kirk, Students Fl.'' 182. Tetrapathæa australis, Raoul, Choix, t. 27.





Climbing or prostrate herbs. Leaves alternate, exstipulate, usually palmately veined or lobed. Tendrils generally present, springing from the sides of the stem near the petioles, simple or divided. Flowers monœcious or diœcious, solitary or in racemes or panicles. Calyx-tube adnate to the ovary; limb campanulate or rotate or tubular, 3–5-lobed; lobes imbricate. Petals 3–5, inserted on the calyx-limb, free or united into a lobed corolla, often confluent with the calyx below. Stamens 3 or 5, inserted on the calyx-tube; filaments free or connate into a tube or column; anthers free or united, one 1-celled, the others 2-celled; cells often long and sinuous. Ovary inferior, usually 1-celled when very young, with 3 (rarely 4–5) parietal placentas, which thicken and turn inwards, meeting in the axis, so that the ovary becomes spuriously 3–6-celled; style simple, entire or 3-fid; ovules 1 or more to each placenta. Fruit succulent or coriaceous, indehiscent or bursting irregularly. Seeds usually many, generally flat; albumen wanting; embryo straight, cotyledons large.

Climbing or prostrate herbs. Leaves angular or 3–5-lobed. Flowers small, monœcious. Male flowers racemose. Calyx-tube broadly campanulate, 5-toothed. Corolla rotate, deeply 5-partite. Stamens connate into a short column; anthers 2–5, sessile at the top of the column, sinuous; cells confluent. Female flowers capitate on a short peduncle, rarely solitary. Calyx-tube adnate with the ovary; limb and corolla as in the males. Ovary 1-celled; style short, 3-fid; ovule solitary, pendulous. Fruit small, coriaceous, dry, indehiscent, covered with barbed spines.

