148 XXYIII. HALOEAGEAE. [Haloragis. 



Species, about 50, of which 32 are endemio in Australia; 4 others are common to Australia 

 and New Zealand ; the remainder are distributed through Eastern Asia, South Africa, and tem- 

 perate South America. 



Leaves sharply serrate, lin.-ljin. long. Flowers drooping, crowded 

 Floral leaves alternate. Fruits solitary, erect, rugose 

 Floral leaves opposite. Fruits solitary, erect, smooth . . 

 Flowers paniculate. Fruits terminal, smooth 

 Floral leaves 0. Fruits drooping, smooth 



1. H. alata, Jacg., Misc. ii. 332. Herbaceous, lft.-3ft. high, erect 



or suberect. Stems tetragonous, apparently glabrous but minutely scabrid. 



Leaves opposite, very shortly petioled, ovate-lanceolate or nearly oblong, 2111.— 



liin. long, sharply serrate. Flowers minute, drooping, green, in terminal 



leafy racemes, solitary or whorled. Pedicels short, curved. Calyx 4-angled ; 



lobes small, broad. Petals exceeding the calyx-lobes. Stamens 8. Stigmas 4. 



Nut ovoid ; wings 4, narrow ; interspaces smooth or rugose. — G. Forst., Prod. 



n. 180; Hook, f., Fl. N.Z. i. 62; Handbk. 65; Benth., Fl. Austr. ii. 479. 



Cercodia ereda, Ait. Hort. Kew. ed. 1, ii. 57; A. Rich., Fl. N.Z. 324; A. 



Cunn., Precurs. n. 526; Banks and Sol. MSS. C. alternifolia, A. Cunn., 



Precurs. n. 527. 



From the KERMADEG Islands to Otago ; STEWART Island. Sea-level to 2,300£t. Nov. 

 to Jan. Also in Australia and Juan Fernandez. 



2. H. tetragyna, Hook. /., Fl. N.Z. i. 63. stems 6in.-15in. high. 



Branches decumbent at base, ascending; branchlets numerous, very slender, 



angular, scabrid. Leaves opposite, coriaceous, scabrid with appressed hairs, 



linear-lanceolate or ovate-lanceolate, sharply serrate. Flowers minute, solitary, 



sessile or nearly so in the axils of leafy bracts forming lax slender terminal 



leafy spikes, which are sometimes paniculate. Stamens 8. Styles 4 ; stigmas 



plumose. Fruits shortly ovoid, 4— 8-angled, rugose. — Handbk. 65; Benth., 



Fl. Austr. ii. 484. Goniocarpus tetragyna, Labill, PI. Nov. Holl. i. 39, t. 53. 



G. tetragynus, DC, Prod. iii. 56; A. Cunn., Precurs. n. 529. 



NORTH Island: local. Auckland: on dry hills. Bay of Islands, Whangaroa North, Mount 

 Carmel, Kaitaia, &c. 



Var. diffusa, Handbk. 65. Stems spreading, slender, prostrate. Leaves ovate or ovate- 

 lanceolate, with fewer teeth. Three Kings Islands, Cheeseman, and the North Cape to Stewart 

 Island. 



Var. incana. Leaves oblong or oblong-ovate, pubescent or villous. — Cercodia incana, A. 

 Cunn., Precurs. n. 528. Bay of Islands. Also in Australia. The alternate floral leaves readily 

 distinguish this from H. dep7-essa. 



3. H. depressa, Walp. Rep. ii. 99. A very slender wiry plant. Stems 

 lin.— 2in. long, suberect or prostrate. Rhizomes extensively creeping. Leaves 

 all opposite, on very short petioles or sessile, broadly ovate or almost cordate, 

 rounded at the apex or subacute or shortly mucronate, with 1-3 teeth on each 

 side, coriaceous, slightly scabrid on one or both surfaces. Floral leaves similar 

 but smaller. Flowers sessile, solitary, axillary, forming short interrupted 

 terminal spikes, Nut Jin. long, obtusely 4-8-angled, nerved, the interspaces 



