Page:Manual of the New Zealand Flora.djvu/237

Hydrocotyle.] crenate; petioles slender, 1–4 in. long. Peduncles rather slender, shorter than the leaves; umbels 3–8-flowered. Flowers shortly pedicelled or almost sessile. Fruit large, flat, broader than long, notched above and below, often mottled; carpels with one rib on each face, and with the dorsal edge expanded into a broad wing.—''Hook. f. Fl. Tasm. i. 153, t. 33; Handb. N.Z. Fl. 86; Kirk, Students Fl.'' 188.

6. H. novæ-zealandiæ, D.C. Prodr. iv. 67.—Very variable in size and habit of growth. Stems 3–12 in. long, much or sparingly branched, open or matted, creeping and rooting at the nodes, sometimes ascending at the tips, pilose or almost glabrous. Leaves ¼–1¼ in. diam., orbicular-reniform with usually an open sinus, obscurely 5–9-lobed or -angled; lobes shallow, obscurely and obtusely crenate, rarely more acutely toothed, usually membranous but sometimes subcoriaceous, sparingly hairy or nearly glabrous; petioles ½–3 in. long, slender, usually pilose with reversed hairs above. Peduncles shorter than the leaves; umbels 5–12-flowered. Flowers shortly pedicelled. Fruit $1⁄12$ in. diam., broader than long, somewhat flattened, glabrous, pale-brown, sometimes mottled; carpels rounded at the back, with an indistinct rib or groove on each face.—''A. Cunn. Precur. n. 497; Raoul, Choix, 46; Hook. f. Fl. Nov. Zel. i. 83; Handb. N.Z. Fl. 86; Kirk, Students' Fl.'' 189. H. dichondræfolia, ''A. Cunn. l.c.'' n. 498. H. intermixta, ''Col. in Trans. N.Z. Inst.'' xvii. (1885) 240. H. alsophila, Col. l.c. xviii. (1886) 261. H. involucrata, Col. l.c. xix. (1887) 262. H. amœna, Col. l.c. xxi. (1889) 83.

7. H. moschata, Forst. Prodr. n. 135.—More or less hispid or pilose, rarely almost glabrous. Stems 2–12 in. long, much branched, often densely matted, creeping and rooting at the nodes. Leaves $1⁄8$–1 in. diam., reniform or orbicular with usually an open sinus,