RANUNCULACEjE. IV. THALICTRUM. 



11 



drawn out at the apex into a trifid twisted tendril; (f. 5. d.) pa- 

 nicle terminal, with trichotomous pedicels, fj . ,_,. S. Native of 

 the East Indies. Sepals 4, caducous. Flowers yellow. 



Far. a Hermanni (D. C. syst. 1. p. 107.) leaves velvety- 

 tomentose on the under surface. Native of Ceylon, in groves. 

 A tragfine Zeylanica, Lin. Amcen. 1. p. 405. Clematis Zeylanica, 

 Poir. suppl. 2. p. 296. 



Var. /3 Roxburghii (D. C. syst. 1. p. 168.) leaves velvety- 

 pubescent on the under surface. Atragene Zeylanica, Roxb. 

 corom. 2. p. 47. t. 188. Native of Coromandel, near a place 

 called Samulcoath, in hedges and groves, in humid places, (f. 5.) 



Ceylon Narawael. Fl. summer. Clt. 1796. Shrub cl. 



Cult. This plant will thrive best in a mixture of loam and peat. 

 Young cuttings planted thinly in a pot of sand will strike root, 

 under a hand-glass in heat. (Sweet.) 



Tribe II. 



ANEMONES (plants resembling Anemone). D. C. syst. 

 1. p. 167. prod. 1. p. 10. Calyx and corolla imbricate in 

 the bud (f. 4. a.) Petals none, (f. 6. b. f. 7. d.} or flat. Car- 

 pels 1 -seeded, (f. 6. d.) indehiscent, (f. 6. c.) generally ter- 

 minated by a tail (f. G.f.) or point (f. 6. c.) Seed pendulous 

 (f. 6. e.) Stems herbaceous, never climbing. Leaves radical 

 (f. 6.) or alternate (f. 7.) 



IV. THAL'ICTRUM (said from 0a\\w, thallo, to grow green ; 

 from the bright colour of the young sprouts). Lin. gen. No. 697. 

 Gsert. fruct. 1. p. 355. t. 74. Lam. ill. t. 497. D. C. syst. 1. 

 p. 168. prod. 1. p. 11. 



LIN. SYST. Polydndria Polygy'nia. Involucre none. Calyx 

 of 4 or 5 deciduous petal-like sepals. Petals none. Carpels 4 to 

 15, pointed not terminated by a tail, stalked or sessile, some- 

 times furrowed longitudinally. Roots perennial, with annual 

 stems. Flowers corymbose, panicled, and somewhat racemose, 

 green, white, and yellow. Herbs usually fetid, with yellowish 

 bitter roots, tonic, resembling rhubarb (especially T.Jlavum) in 

 its cathartic qualities. The English name of this genus, Mea- 

 dorv-Rue, is given to it on account, of the species usually growing 

 in meadows, and their leaves resembling those of Rue. It is 

 also called Feather-Columbine, from the feathery appearance of 

 the panicles of flowers, and the leaves resembling those of the 

 Columbine. 



SECT. I. TRIPTE'RIUM, (rpsie, treis, three, irrepov, pteron, a 

 wing, in allusion to the three winged fruit). D. C. syst. 1. p. 169. 

 prod. 1. p. 11. Fruit triquetrous, with winged angles, somewhat 

 stipitate. 



1 TH. AQUILEGIFOLIUM (Lin. spec. 770.) stipulas ovate, twin, 

 at the base of the ramifications of the petiole ; panicle corymbose. 



Tj . H. Native of Europe, on wooded mountains, in Germany, 

 France, Italy, Hungary, Siberia, &c. Sims. bot. mag. t. 1818. 

 Jacq. aust. t. 318. Stem fistulous, purple, meally. Leaves tri- 

 pinnate, with suborbicular, smooth, deeply toothed leaflets. Sepals 

 white, fugacious. Stamens white, but usually purple. Pericarps 

 smooth, pendulous, narrowed at the base, on long pedicels. 



Var. ft, atropurpureum (Murr. syst. 513. Jacq. hort. vind. 8. 

 t. 81.) stems and stamens dark purple. Native of Austria. 



Far. y,formbsum (D. C. prod. 1. p. 11.) stamens dark purple, 

 dilated at the apex. Sims. bot. mag. t. 2025. 



Far. S, album; stems green, stamens white. 



Columbine-leaved Meadow-Rue. Fl. May, July. Clt. 1731. 

 PI. 1 to 3 feet. 



2 Tn. CHELIDONN (D. C. prod. 1. p. 11.) stipulas wanting; 

 axils of leaves gemmiferous ; flowers loosely panicled ; fruit 

 stipitate, pendulous from the inflexed pedicel. J? . H. Native 

 of Nipaul. Flowers large, purplish. Pistils 8. Stamens 8 to 12. 



Swallow-wort Meadow-Rue. Fl. May, Jul. Clt. 1823. PL 2 ft. 

 1 



3 TH. CONTORTUM (Lin. spec. 770.) stipulas wanting; flowers 

 in loose corymbose racemes ; fruit pendulous. Tj . H. Native of 

 Siberia. Resembles Th. aquilegifolium, but dwarfer. Flowers 

 white. Leaves glaucous, with small simple or trifid obtuse 

 leaflets. Stem 2-edged. Fruit twisted. 



Twisted Meadow-Rue. Fl. Ju. Jul. Clt. 1796. PI. 1 ft. 



SECT. II. PHYSOCA'RPUM, (<j>van, physa, a bladder, Kapiros, 

 karpos a fruit). D. C. syst. 1. p. 171. prod. 1. p. 11. Fruit 

 inflated, bladdery, stipitate. Flowers dioecious or polygamous. 

 Leaves bi or triternate. 



4 TH. CLAVA'TUM (D. C. syst. 1. p. 171.) flowers monoecious, 

 or hermaphrodite ; filaments club-shaped ; anthers elliptical 

 awnless ; pericarps inflated, with a very short beak ; leaves 

 smooth, without stipulas. ^ . H. Native of North America, on 

 Portage de La Loche, a height of land, composed of sand-hills, 

 in lat. 57, and separating the waters flowing to Hudson's Bay, 

 from those falling into the Arctic Sea. Deless. icon. sel. 1. t. 6. 

 Leaves biternate ; leaflets roundish, membranous, glaucous un- 

 derneath, crenate-lobed. Flowers white, erect. Pericarps 5-6, 

 stellately spreading. 



CVaeate-filamented Meadow-Rue. Fl. June, July. Clt. 1820. 

 PI. 1 to 2 feet. 



5 TH. PODOCA'RPUM (H. B. et Kunth nov. gen. spec, 

 amer. 5. p. 38.) flowers polygamous ; filaments filiform ; anthers 

 long, with an awn at the apex ; pericarps oval-oblong, smooth, 

 with a long awn ; leaves smooth without stipulas. 1 . G. Na- 

 tive of New Granada. Stem fistulous. Leaves 4-times pinnate, 

 or 4-times ternate ; leaflets stalked, ovate-orbicular, cordate at 

 the base, smooth, glaucous underneath ; somewhat lobed at the 

 apex, with 3 or 4 teeth. Flowers loosely panicled. 



Foot-fruited Meadow-Rue. Fl. July. PI. 2 to 3 feet. 



6 TH. LONGIST'YLUM (D. C. syst. 1. p. 171). Flowers poly- 

 gamous ; filaments filiform ; anthers with a long awn ; pericarps 

 oval-oblong ; style with a long awn ; branches of petiole stipulled ; 

 segments of leaves hairy at the nerves. "If. . F. Native of South 

 America. Deless. icon. sel. 1. t. 7. Leaves 3 or 4-times ternate; 

 leaflets ovate-orbicular, cordate at the base, grossly 3-5-toothed 

 at the apex, or lobed, scarcely glaucescent underneath. Flowers 

 loosely panicled. 



Long-styled Meadow-Rue. PL 4 or 5 feet. 



7 TH. ^LTA'TUM (D. C. prod. 1. p. 11.) flowers polyga- 

 mous ; fttcarps sessile, with a long awn ; leaflets of lower leaves 

 peltate. Tf. . F. Native of Mexico. 



Peltate-leaved Meadow-Rue. Fl. June, July. PL 2 feet. 



8 TH. MEXICA'NUM (D. C. syst. 1. p. 187). If. F. Native of 

 Mexico. Coztipatli II. Hern. Mexic. 236 icon. Roots thick, 

 fascicled, fibrous, of an amethyst colour, with yellow fibres. 

 Leaves biternate ; leaflets stalked, ovate, toothletted. (Hern.) 



Mexican Meadow-Rue. PL 2 feet. 



9 TH. RUTIDOCA'RPUM (D. C. syst. 1. p. 172.) flowers poly- 

 gamous ; filaments filiform ; pericarps ovate, somewhat com- 

 pressed, marked with elevated branched rugosities ; leaves with- 

 out stipulas ; leaflets hairy at the nerves. Tf. . F. Native of 

 South America. 



Rugged-fruited Meadow-Rue. PL 2 feet. 



Sect. III. EuiHAti'cTRUM, (from tv, eu, well or good, and 

 thalictrum ; genuine species). D. C. syst. 1. p. 172. prod. 1. 

 p. 1 2. Fruit, ovate-oblong, striped, sessile. Leaves various, 

 almost always free of stipulas. 



1. HETEROG'AMA. Flowers dioecious or polygamous. 



10 TH. CORNU'TI (Lin. spec. 768.) flower dioecious or poly- 

 gamous ; filaments somewhat club-shaped ; anthers elliptical, or 

 nearly linear ; leaflets roundish-abovate and oblong, 3-lobed, 



C 2 



