696 



ONAGRARIiE. X. Jussi-ea. XI. Prieurea. XII. Ludwigia. 



' 



leaves lanceolate ; flowers large, sessile, yellow, decandrous, examined under a lens. Flower-bud ovate, acuminated. Cap- 



h 



Hairy 



Native about Campeachy. 



Sh. 3 ft. 



sile, decandrous, pentapetalous.- 

 Puhescent Jussisea. PL 2 ft. 



15.) erect, villous ; flower: 

 Native of South America. 



66 



(Burm. fl. ind. p. 103, t. 35. f. 5.) glabrous ; 

 linear-lanceolate ; flowers pedicellate, decan- 



leaves opposite, 



drous, pentapetalous. — Native of Java. 

 Weak Jussiaea. PI. 1 ft. 



sule an inch long, but hardly a line in breadth. Perhaps the 

 same as Z. alternifdlia of Burm. exclusive of the synonymes. 



Jussicea-like Ludwigia. PI. 1 foot. 



2 L. FRUTicosA (Blume, bijdr. p. 1133.) stem erect, glabrous, 

 shrubby, pentagonal ; leaves lanceolate, bluntly acuminated, 

 with finely ciliated margins ; flowers twin or crowded, axillary, 

 sessile : 



capsule linear, tetragonal. 

 near rivers and rivulets. 



^2 . B. S. Native of Java, 



Allied to L. Jussiceoides. 



There is a variety with narrow leaves. 



Cult* All the species of this genus are either water or bog Shrubby Ludwigia. Shrub 1 foot ? 



plants, and therefore require to be kept moist. The species, * "^ '"' 



3 L. LEUcoRHfzA (Blume, h c.) stem erect, glabrous, herba- 



natives of bogs, may be grown in pots, under which may be ceous, pentagonal ; leaves alternate, linear-lanceolate, bluntish, 



placed pans of water. The floating aquatic kinds should be with the margins finely ciliated ; flowers at first capitate, but at 



grown in^ tubs,^ filled with water, with a layer of mould in the length axillary, solitary, and sessile ; capsule elongated, clavate, 



bottom, in which the plants may root. All the species, natives tetragonal.— Native of Java, about Buitenzorg at the river 



of warm climates, require a great degree of heat to bring them 

 to flower. The J. grandiflora is the only hardy aquati" ^ "^ 

 it grows best when planted in a shallow pond or rivulet. 



Tjelinong. Root white, fusiform. Allied to L. fruticbsa. 



White-rooted Ludwigia. 



PI. A. foot. 



XI. PRIEITREA (this genus is dedicated to M. Le Prieur, 

 the discoverer of the plant at Senegal). D. C. prod. 3. p. 58. 



LiN. SYST. TridndriUi Monogynia. Tube of calyx cylin- 

 drical, elongated, adhering to the ovarium ; limb 3-parted ; 

 segments lanceolate, acute, permanent. Petals 3, small. Sta- 

 mens 3, alternating with the lobes of the calyx ; filaments fili- 

 form, short. Style short. Seeds small. — Herb glabrous, dwarf, 

 branched, of an obscure green colour. Leaves alternate, oblong- 

 linear, acute, entire. Flowers axillary, solitary, on very short 

 pedicels. 



4 L. LYTHROiDES (Blum, bijdr. 1134.) stems erect, glabrous, 

 pentagonal ; leaves linear, bluntish ; flowers pedicellate, fur- 

 nished with 2 bracteas at the top of the pedicels; capsule tetra- 



rather turbinate, short. — Native of the East Indies. 



acute at the base. 



gonal, rather turbinate. 

 Branches angular. Leaves oblong-linear, 

 Bracteas one half shorter than the capsule. Pyramid of ovarium 

 depressed at the base of the style. Stigma large, 4'lobed. 



PI. i foot. 

 5 L. eriga'ta (Lin. mant, p. 40.) stem erect, smooth ; leav 

 alternate, lanceolate ; pedicels usually tern, 1 -flowered ; capsule 

 subcubical, 4-angled ; petals small. ©. W. H. Native of the 

 East Indies. L. triflora. Lam. diet. 3. u. 613. L. alternifolia, 



Lythruni-like Ludwigia. 



1 P. Senegale'nsis (D. C. I.e.). Native of Senegal, in bogs. two plants in Burmann's herbarium under thi^s name, one refer- 



rible to Z. Jussiceoides and the other L. erigata. 

 ■ Erigated Ludwigia. PI. 1 foot. 



6 L. PARViFLORA (Roxb. fl. iud. 1. p. 440.) diffuse, glabrous ; 

 flowers sessile or on short pedicels, bibracteolate at the base ; 

 capsule linear, somewhat tetragonal. ©. B. H. Native of Bengal. 



Habit almost of Jussice a ramulosa. 

 Senegal Prieurea. PL dwarf. 

 Cult, For culture and propagation see Jussice a 



XII. LUDWrOIA (so named by Linnseus in honour of Plant small, branched. Petals oblong, length of the calycme 



sic 



Christian Gottlieb Ludwig, once Professor of Medicine at Leip- 

 author of Definitiones Plantarum, 1 vol. 8vo. Leipsic, 

 1737, and numerous other botanical works). Roxb. fl. ind. 1. 

 ^. 440. D. C. prod. 3. p. 58. — Ludwigia species of Lin. and 

 others. 



LiN. sYST. Tetrdndriay Monogynia. Tube of calyx cylin* 



lobes. Bracteoles small. 



Small-Jlorvered Ludwigia. Fl. July, Aug. Clt. 1825. PI- 



f foot. 



■ 7 L. DiFFu^sA (Hamilt. in Lin. trans. 14. p. 301.) diffuse, 

 glabrous ; leaves lanceolate ; flowers almost sessile ; capsule 

 prismatic, tetragonal ; angles blunt : peduncles one half shorter 



Native of the East Indies, in water. 



Lam. 



drical, adhering to the ovarium ; limb 4-parted, the lobes almost than the leaves. ©. W. H. 



permanent. Petals 4, alternating with the lobes of the calyx. Rheed. mal. 2.' t. 41). Jussiae'a caryophyllaea, var. a 



Stamens 4, opposite the lobes of the calyx. Apex of ovarium diet. 3. p. SSI 



or base of style pyramidal, tetragonal, 4-furrowed, glabrous 



in the furrows, and villous on the angles ; the stamens lying in 



the furrows. Style filiform, pyramidal from the apex. Stigma 



Diffuse Ludwigia. PI. diffuse. 



8 L. prostraS'a (Roxb. fl. ind. 1. p. 440.) lower branches 

 prostrate and rooting ; flowers sessile, solitary, or numerous in 



seeds disposed m 



Native of Pegu. 



Prostrate Ludwigia. 



Fl. Jul. Aug. Clt. 1816. PL 1 to2 ft. 



'f Species hardly known. 

 9 L. pere'nnis (Lin. spec ed. 2. p. 173.) flowers pedicellate; 



1 L. Jussi^oiDEs (Lam. diet. 3. p. 588. but not of Michx.) opposite, and in his fl. zeyl. alternate, and cites the figure m 



leaves lanceolate-linear, acuminated at both Rheed. mal. 2. t. 49. for his plant, and at the same time excludes 



erect, glabrous ; 



ends ; flowers pedicellate, almost bractless ; capsule elongated, 

 nearly terete.^ — Native of the Mauritius and the East Indies. 

 Stems lerete, branched. Branches and leaves puberulous, when 



it from his mant. 



Perennial Ludwigia- PI. prostrate. 



10 L. TRIFLORA (Burm. fl. ind. p. 37.) erect, herbaceous, 



J 



i 



^ 

 ^ 



Burm. fl. ind. p. 36. exclusive of the synonymes. There are % 





^i 



capitate, 4-furrowed, or 4-lobed. Capsule turbinate, or very the axils of the leaves; capsules filiform; 



much elongated, 4-celled, 4-valved, crowned by a cone-formed one^ series in each cell. 0. H. *^ " 

 pyramid. Seeds numerous. — Branched Indian herbs. Leaves 

 alternate, linear, on very short petioles, quite entire. Flowers 

 axillary, almost sessile, yellow, furnished with two bracteoles at 

 the base of the calyx. This genus is intermediate between 



Jussice a and Isndrdid ; from the former, it is distinguished in „ ^ ^, „. ^. _, _ ^ ^ 



the stamens being equal in number to the petals, not double that capsule cylindrical ; stems diffuse ; leaves lanceolate. 7/* "• ^* 



number; from the latter, in the capsule being elongated and Native of the East Indies, and Ceylon. Ludwigia, Lin. n. zeyl* j 



ending in a cone-formed pyramid at the base of the style. The no. 66. Ludw. oppositifolia, Lin. syst. veg. p. 135. This species ^ 



genus Ludwigia of Linnaeus is the same as Isndrdia. is hardly known, as Linnseus, in his spec. pi. says the leaves are . ^ 



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