702 



HALORAGEjE. II. GoNiocARPUs. III. Haloragis. IV. Cercodia. V. Proserpinaca. 



tals 4, white, ex Kon. ann. bot. p. 546. t. 12. f. 5. Stamens quite entire. Flowers axillary. Goniocdrpus and Cercodia are 



8, ex Brown, gen. rem. p. 18. Stem tetragonal. probably only sections of T/a/orag-x^. 



Smalljlowered Goniocarpus. PI. decumbent. 1 H. prostra^a (Forst. 1. c. et prod. no. 179.) stems pros- 



2 G. sca'ber (Koen. ann. bot. 1. p. 547. t. 12. f. 6.) leaves trate ; leaves opposite, oblong, undulated; flowers solitary in 



lanceolate, deeply serrated, scabrous ; spikes compound ; the axils of the leaves ; stigmas and seeds 4. \i , G. Native 



branches nearly opposite. ©. H. Native of China, about of Botany Bay, New Caledonia, and the Island of Pines. Lher. 



Macao, where it is cultivated. 



herb. 



Ludwigia octandra, Banks, 



Scabrous Goniocarpus. PI. decumbent, 



3 G. microca'rpus (Thibaud, herb, ex D. C. prod. 3. p. 66.) leaves alternate, linear; flowers fasciculate in the axils of the 



stirp. nov. 1. p. 82. Willd. spec. 2. p. 474. 



Prostrate Haloragis. Fl. May, Sept. Clt. 1820. Sh. pros. 

 2 H. Di'GYNA(Labill. nov. hoU. 1. p. 100. t. 129.) stem erect ; 



leaves ovate, acute, serrated, glab 



as the branches and petioles ; panicle loose ; flowers on short 

 pedicels, spreading. ©. H. Native of New Holland. Habit 



on both surfaces, as well leaves ; stigmas and seeds 2. Tj • C!^. Native of New Hoi- 



icrdnth 



Small-f% 



PI. proc. 



FIG. 102. 



Sect. II. Pterogynus (from Trrtpoj/, ^pteron^ a wing, and 

 yvvi}^ gyne^ a female ; in reference to the stigmas being plumose 

 at the apex). D. C. prod. 3. p. QQ. Styles 4, ending each in a 

 plumose pencil-formed stigma. 



4 G. tetra'gynus (Labill. nov, 

 holl. t. 53.) leaves ovate, ser- 

 rated, acute, rather scabrous, pi- 

 lose when young, as well as the 

 petioles and branches ; spikes 

 elongated ; flowers sessile, erect. 

 O. H. Native of Van Dieman's 

 Land (f. 102.). 



Four-styled Goniocarpus, PL 



■| foot. 



land, in Van Leuwin's Land. Fruit sometimes 1 -seeded from 

 abortion. 



Digynous Haloragis. Sh. 2 ft. 



f A species not sufficiently known. 



3 H. Cape'nsis (Nois. et Cels. ex Colla, hort. ripuh p. 63.) 

 stem erect ; leaves alternate, petiolate, elliptic, dotted beneath. 

 Tj . G. Native of the Cape of Good Hope, ex Hort. Flowers 

 unknown. 



Cape Haloragis. Sh. 2 to 3 ft. 



Cult, The species of this genus thrive well in any light rich 

 soil, and young cuttings root freely if planted under a hand-glass. 



IV. CERCO'DIA (from fcepKoe, JcerJcos, a tail, and eiSoQyeidoSy 

 like ; in reference to the long narrow petals). Murr. comm. 

 goett. 3. p. 1780. p. 3. 1. 1. D. C. prod. 3. p. 67. — Cercodea, 

 Lam. ill. t. 319. 



Haloragis spec. Lher. Jacq. 



Tube of calyx adnate to 



Sta- 



5 G. tene'llus (D. C. prod. 

 3, p. 66,) leaves oblong-lanceo- 

 late, acute, scabrous, pilose when 

 young, as well as the petioles ; 

 stem beset with adpressed bris- 

 tles ; spikes elongated ; flowers 

 sessile, erect, upper ones male, 

 the rest female. 0. H. Native 



of New Holland. Very like G. tetrdgynus, but the stems are ivsefolia, Lin. fil. suppl. 257. Haloragis alata, Jacq. icon, rar 

 much more slender, the leaves much narrower, and the flowers 1. t. 69. exclusive of the country. Haloragis Tetragonia, Lher. 



Lin. syst. Octdndria^ Tetragynia. 

 the ovarium, which is 4-sided ; limb 4-parted. Petals 4. 

 mens 8. Stigmas 4, sessile. Fruit nucumentaceous, indehiscent, 

 4-celled, 4-seeded, 4-sided; angles winged. — Smooth Australian 

 shrubs. Leaves opposite, toothed. Flowers in fascicles or race- 

 mose. Petals 3 times the length of the lobes of the calyx. This 

 genus is intermediate between Haloragis and Proserpinaca. 



1 C. e'recta (Murr. 1. c.) leaves petiolate, ovate-lanceolate, 

 coarsely toothed ; flowers sessile, aggregate in the axils of the 

 upper leaves. ^ . G. Native of New Zealand. Tetragonia 



are monoecious from abortion. 

 Weak Goniocarpus. PI. 4 foot. 



stirp. nov. 1. p 

 p. 37. 



82. Haloragis Cercodia, Ait. hort. kew. 2. 



6 ^G. TEucRioiDEs (D. C. prod. 8. p. 66.) leaves ovate, ser- Erect Cercodia. Fl. April, Sept. Clt. 1772. Sh. 1 to 2 ft. 



2 C. KACEMosA (D. C. prod. 3. p. 67.) leaves sessile, linear- 

 lanceolate, serrated; racemes terminal and axillary. ^^^^^ 

 Native of New Holland, in Van Leuwin's Land. Haloragis 

 racembsa, Labill. nov. holl. 1, p. 100. t. 128. 



Racemose Cercodia. Sh. 2 to 3 ft. 



Cult. For culture and propagation see Haloragis. 



■ 



V. PROSERPINA' C A (from proserpo, to creep; creeping 

 rooting plants). Lin. gen. 102. Lam. ill. t. 50. Juss. ann. mus. 

 3. p. 820. t. 30. f. 1. D. C. prod. 3. p. 67.— Trixis, Mitch, eph. 

 nat. car. 1748. no. 23. Geertn. fr. 1. p. 115. t. 24. but not of 



Browne. 



Lin. syst. Tridndria, Trtgijnia. Tube of calyx adhering 

 to the ovarium, which is triquetrous ; limb 3 -parted. Petals 

 none. Stamens 3. Stigmas 3, sessile on the top of the ova- 

 rium. Carpels 3, joined together into a dry indehiscent tri- 

 gonal 1-seeded fruit. Seed pendulous. Albumen fleshy, or 

 only perhaps a tumid endopleura. — Smooth aquatic North Ame- 

 rican herbs, with creeping roots. Leaves opposite. Flowers 

 axillary, glomerate, sessile, sometimes 4-cleft and tetrandrous. 



1 P. PALu'sTRis (Lin. inact.ups. 1741. p. 81.) leaves linear- 

 lanceolate, lower ones usually pinnatifid ; angles of nut acute. 

 It- W. H. Native of North America, from Canada to Carolina 



rated, acute, scabrous ; stem hispid from spreading hairs ; 

 flowers in the axils of the upper leaves on short petioles, consti- 

 tuting a leafy loose raceme. — Native of New Holland. Sieb. 

 pi. ex sic. no. 544. Stems tetragonal, much branched ; branches 

 opposite. Leaves and habit those of a species of Teucrhim. 

 Flowers larger than those of any other species. Petals pilose 

 on the back. Stamens 8. Stigmas 4, short, a little bearded. 

 Fruit bluntly tetragonal, rather globose. 



Teucrium-likc Goniocarpus. PI. decumbent. 



Cult. The seeds of the species of Goniocarpus should be sown 

 in the open border, in a warm sheltered situation. 



Ill, HALORA'GIS (from oKq aXoc, hals halos^ the sea, and 

 pa? pay«c, rax ragis^ the berry of a bunch of grapes ; because 

 it grows on the sea coast, and the fruit resemble grapes in being 

 round). Forst. gen. t. 31. D. C. prod. 3. p. 66. — Haloragis 

 spec. Lher. Labill. 



Lin. syst. Octdndriuy Di'Telragynia. Tube of calyx ad- 

 nate to the ovarium ; limb 4-parted. Petals 4, alternating with 

 the lobes of the calyx. Stamens 8. Stigmas 2-4, short, sessile, 

 papulose* Fruit nacumentaceous, dehiscent, globose, smooth, 

 2-4-celled, 2-4-seeded* — Smooth Australian shrubs. Leaves 



