HALORAGE^E. I. SERPICULA. II. GONIOCAKPUS. 



701 



102. c. a.); limb minute, 4-parted (f. 102. c.), or almost want- 

 ing (f. 103. a.). Petals minute, inserted in the summit of the 

 calyx, opposite the calycine lobes, and equal in number to 

 them, or wanting. Stamens inserted with the petals, equal in 

 number to them or occasionally fewer. Ovarium adhering to 

 the calyx, with 1 or more cells (f. 102. d.). Style none. Stigmas 

 equal in number to the cells of the ovarium, papulose or pencil- 

 formed, sessile. Fruit dry, indehiscent, membranous (f. 103. c.), 

 or bony (f. 102. d.}, with 1 or more cells. Seeds solitary in the 

 cells, pendulous ; albumen fleshy. Embryo straight in the axis, 

 with a superior, terete, elongated radicle, and 2 short minute 

 cotyledons. Herbaceous or suffruticose plants, the greater part 

 of which are inhabitants of water and moist places. Leaves 

 alternate, opposite, or in whorls. Flowers axillary, sessile, or 

 disposed in terminal spikes, occasionally monoecious or dioe- 

 cious. The plants contained in this order are not known to 

 possess any medical properties. 



Synopsis of the genera. 

 TRIBE I. 



CERCODIA'N^E. Limb of calyx evidently parted (f. 102. c.). 

 Stamens equal, or double the number of the calycine lobes(f.\02.a.) 

 Petals and cells of fruit equal in number to the lobes of the calyx. 



1 SERPI'CDLA. Flowers monoecious. Calyx 4-parted. Pe- 

 tals and stamens 4. Nut 1-celled, 1-seeded. 



2 GONIOCA'RPUS. Limb of calyx 4-parted (f. 102. c.). Petals 

 4 (f. 102. a.). Stamens 8 (f. 102. &.). Fruit 8-angled, 4-celled, 

 4-seeded (f. 102. d.). 



3 HALORA'GIS. Limb of calyx 4-parted. Petals 4. Stamens 

 8. Fruit globose, 2-4-celled, 2-4-seeded. 



4 CERCODIA. Limb of calyx 4-parted. Petals 4. Stamens 

 8. Fruit nucumentaceous, 4-winged, 4-celled, 4-seeded. 



5 PROSERPINA'CA. Limb of calyx 3-parted. Petals wanting. 

 Stamens 3. Fruit trigonal, 1-celled, 1-seeded. 



G MYRIOPHY'LLUM. Flowers monoecious, rarely hermaphro- 

 dite. Calyx 4-parted. Petals 4. Stamens 4-6, or usually 8. 

 Fruit separable, in 4 hard nuts. 



TRIBE II. 



CALLITRICHI'NE/E. Limb of calyx not conspicuous (f. 103. a.). 

 Petals wanting. Stamen}, rarely 2. Fruit ^-celled, 4-seeded 

 (f. 103.C.). 



7 CALLI'TRICHE. Flowers polygamous, hermaphrodite, or 

 dioecious, or often monoecious. Bracteas 2, petaloid, at the 

 base of the flowers. 



TRIBE III. 



HIPPURI'DE^E. Limb of calyx small, entire. Petals wanting. 

 Stamen 1 (f. 104. e.~). Fruit nucumentaceous (f. 104. </.), 1- 

 celled, \-seeded. 



8 HIPPU'RIS. Character the same as that of the tribe. 



Tribe I. 



CERCODIA'NJE (plant agreeing with Cercodia in important 

 characters). Juss. diet. sci. nat. (1817.) 7. p. 441. D. C. 

 prod. 3. p. 65. Hygrobieae, Rich. anal. fru. p. 34. Limb 



of calyx evidently parted (f. 102. c.). Stamens equal in number to 

 the calycine lobes, or double that number (f. 102. &.). Petals and 

 cells of fruit usually equal in number to the calycine lobes (f. 

 102. </.). 



I. SERPI'CULA (from scrpo, to creep ; this genus is com- 

 posed of small creeping plants). Lin. mant. 16. Lam. ill. t. 

 758. Koan. ann. hot. 1. p. 544. but not of Roxb. nor Pursh. 

 Laurembergia, Berg. cap. p. 350. 



LIN. SYST. iMonoecia, Tetrandria. Flowers monoecious. Male. 

 Calyx small, 4-parted. Petals 4. Stamens 4. Rudimentary 

 styles 4 (ex Kon.). Female. Tube of calyx adnate to the ova- 

 rium ; limb small, 4-parted. Petals wanting (ex Berg, et Thunb.) 

 Nut globose, 8-nerved, 1-celled, 1-seeded, probably from abor- 

 tion. Creeping branched herbs. Leaves opposite or alternate, 

 entire or toothed. Flowers axillary ; male ones small, pedicel- 

 late ; the female ones are hardly known. 



1 S. RE'PENS (Lin. mant. 124.) leaves alternate, linear-lan- 

 ceolate, quite entire, and rather scabrous. 'J/ . G. Native of 

 the Cape of Good Hope, on the Table Mountains near rivulets. 

 Thunb. fl. cap. p. 142. S. Capensis, Raeusch. S. serpyllifolia, 

 Burm. cap. 26. Laurembergia repens, Berg. cap. p. 350. t. 5. 

 f. 10. Laurembergia Capensis, Gmel. Habit of Veronica ser- 

 jjyllifolia. 



Creeping Serpicula. Fl. July, Aug. Clt. 1789. PI. cr. 



2 S. VERONIC^FOLIA (Bory. voy. 3. p. 174.) leaves oval, op- 

 posite, glabrous, toothed at the apex. I/. . S. Native of the 

 Island of Bourbon, and Caffraria, among moist rocks. Willd. 

 spec. 4. p. 330. Leaves almost like those of Veronica agreslis. 

 Stems red or reddish, creeping. 



Speedwell-leaved Serpicula. PI. creeping. 



3 S. RUBICU V NDA (Burch. cat. geogr. no. 404. trav. 1. p. 37.) 

 leaves opposite, linear, quite entire, glabrous. 7. G. Native 

 of the Cape of Good Hope. Plant weak, much smaller and 

 slenderer than the first. 



Reddish Serpicula. PI. creeping. 



t A very doubtful species. 



4 S. THYMIFOLIA (Burm. cap. p. 26.) Native of the Cape of 

 Good Hope. Stem much branched. Leaves alternate, deflexed, 

 ovate, acute, 1 -nerved. Flowers rising from the axils of the 

 upper leaves, rather pedicellate, nearly terminal, 5-parted. Per- 

 haps a species of lonidium. 



Thyme-leaved Serpicula. PL 



Cult. Any common soil will suit the species of Serpicula, 

 and they are easily increased by separating the creeping shoots. 



II. GONIOCA'RPUS (from yovia, gonia, an angle, and 

 Kapiroc, karpos, a fruit ; in reference to the angular fruit). Kbn. 

 ann. bot. 1. p. 546. D. C. prod. 3. p. 66. Gonocarpus, Thunb. 

 fl. jap. 5. but not of Hamilt. Gonatocarpus, Willd. spec. 1. 

 p. 690. 



LIN. SYST. Octandria, Monogynia. Tube of calyx adhering 

 to the ovarium, which is ovate (f. 102. c.) ; limb 4-parted (f. 

 102. e.). Petals 4 (f. 102. a.), alternating with the calycine 

 lobes. Stamens 8 (f. 102. 6.). Stigmas 4. Fruit nucumenta- 

 ceous (f. 102. d.}, indehiscent, 8-angled, 8-nerved, 4-celled, 4- 

 seeded. Seeds pendulous. Herbs. Leaves opposite, toothed. 

 Flowers sessile in the axils of the upper leaves. 



SECT. I. APODO'GYNUS (from a, priv. and irovc iro^oc, pous 

 podos, a foot, and yvvn, gyne, a female ; in reference to the 

 stigmas being sessile, without any foot or style). D. C. prod. 3. 

 p. 66. Stigmas sessile on the top of the ovarium, wart-formed. 



1 G. MICRA'NTHUS (Thunb. jap. p. 69. t. 15.) leaves ovate, 

 serrate-toothed, smooth ; spikes elongated, branched ; flowers 

 on short pedicels, pendulous. Q. H. Native of Japan. Pe- 



