14- 



RANUNCULACEJ:. IV. THALICTRUM. 



branched, furrowed ; root fibrous ; panicle multiple, erect, 

 somewhat corymbose; leaflets of radical leaves wedge-shaped, 

 trifid, those of the stem leaves oblong-linear. I/ . H. Native of 

 Austria, north of Italy, and south of France, on the margins of 

 fields and on the banks of rivers in moist sandy places. Moris, 

 hist. 1. sect. 9. t. 20. f. 3. Th. rugdsum, Poir. diet. 5. p. 317. 

 exclusive of the synonymes and countries. Like Th. flavum. 

 Flowers yellow. 



Blackish-leaved Meadow-Rue. Fl.Ju. Jul. Clt. 1798. PI. 

 2 to 3 feet. 



41 TH. FLA'VUM (Lin. spec. 770. var.a.) stem erect, branched, 

 furrowed ; root fibrous ; panicle multiple, erect, somewhat co- 

 rymbose ; leaflets wedge-shaped, trifid, acute. If. . H. Native 

 throughout all Europe, also Siberia and about Constantinople. 

 In Britain in wet meadows and about the banks of rivers and 

 ditches. Smith, eng. bot. t. 367. Fl. dan. t. 939. Th. pra- 

 tense, Lin. fl. lapp. 224. Stem hollow. Leaves doubly pin- 

 nate, ultimately ternate. Sepals cream-coloured. Anthers 

 yellow. Root yellow. The root dyes wool yellow, and has been 

 formerly used to cure the jaundice, probably from its colour. 

 An acrid herb, raising blisters on the skin ; but cattle frequently 

 feed upon it mixed with grass. 



Var. ft pauperculum (D. C. fl. fr. No. 4603.) panicle few- 

 flowered. 



Var. y vaginalum (D. C. prod. 1. p. 14.) sheaths of petioles 

 expanded into auricles. Th. vaginatum. Desf. cat. hort. par. 

 ed. 2. suppl. 274. 



lW/ore>-rooted Meadow-Rue. Fl. Ju. Jul. Britain. PI. 3 to 4 ft. 



42 TH. DIVARICA'TUM (Horn. hort. hafn. add. 967.) stem 

 branched, upright, leafy, furrowed ; leaflets ternate, linear, very 

 narrow, trifid, divaricating ; panicle diffuse (strict ?) ; flowers 

 erect. I/ . H. Native of ? Flowers yellowish. 



Divaricating-leaved Meadow-Rue. Fl. Ju. Jul. Clt. 1819. 

 PL 2 feet. 



43 TH. ROSMARINIFOLIUM (Nocett. in Spreng. syst. 2. p. 672.) 

 leaves supradecompound ; leaflets lanceolate, acute, very entire, 

 opaque above, glaucous beneath ; panicle diffuse ; flowers erect. 

 I/ . H. Native of Italy. Flowers yellow. 



Rosemary-leaved Meadow-Rue. Fl.Ju. Jul. Clt. 1816. PL 



2 to 3 feet. 



44 TH. LASERPITIIFOLIUM (Horn, hort. hafn. suppl. p. 62.) 

 lower leaflets cuneated, trifid, those of the cauline I^KS linear, 

 ultimate ones 3-parted ; flowers erect. I/ . H. ^Hwe of ? 

 Flowers yellow. 



Lasermort-leaved Meadow-Rue. Fl. Ju. Jul. Clt. 1810. PL 3 ft. 



45 TH. THUNBE'RGII (D. C. syst. 1. p. 183.) stem erect, 

 branched, round; panicle compound, erect; leaflets wedge- 

 shaped, acutely trifid at the apex, glaucescent. I/ . H. Native 

 of Japan. Resembles Th. flavum, but differing in the stem 

 being round and smooth, not furrowed ; flowers smaller ; ovaries 



3 to 5, not 10 to 15 ; stamens 10 to 12 not 24. Flowers yellow. 



Thunberg's Meadow-Rue. Fl. June, July. PL 3 feet. 



46 TH. SIMPLEX (Lin. mant. 78.) stem erect, simple, angular; 

 root creeping ; panicle erect, racemose, few-flowered ; leaflets 

 linear, or lower ones oblong, acute, trifid. I/ . H. Native of 

 France, Sweden, Norway, Denmark, Switzerland, in waste mea- 

 dows and on the banks of rivers. Fl. dan. t. 244. Th. angus- 

 tifblium, Vill. dauph. 3. p. 722, exclusive of the synonymes. 

 Th. tenuifolium, Swz. Flowers with green sepals and yellow 

 stamens. Herb glaucous. 



Simple-stemmed Meadow-Rue. Fl. May, July. Clt. 1778. 

 PL 1 to 2 feet 



47 TH. DENSIFLORUM (H. B. and Kunth. nov. gen. et spec. amer. 

 5. p. 38.) stem erect, striated ; panicle compound, erect ; flowers 

 crowded, somewhat capitate ; leaflets oval, acutely trifid or 

 3-toothed, glaucous and reticulately veined beneath. If. . G. 



Native of South America. Stem hollow. Petioles trifid ; lateral 

 segments bearing 3 leaves, middle one pinnate. Flowers yellow. 

 Ovaries few and sometimes perhaps wanting, as is the case in 

 most of the American species. 



Dense-flowered Meadow-Rue. Fl. June, July. PL 2 to 3 ft. 



48 TH. CINE'REUM (Desf. cat. hort. par. ed. 2. p. 146.) stem 

 erect, round, striated ; panicle much branched, loose, rigid ; 

 flowers erect ; leaflets oval, cuneated at the base, 3 to 5-toothed 

 at the apex. I/. H. Native of ? Stem hollow, leaves tripin- 

 nate. Flowers yellow. Ovaries 7 to 8, acute. 



Cinereous Meadow-Rue. Fl. Ju. Jul. Clt. 1810. PL 3 or 4 ft. 



49 TH. GLAU'CUM (Desf. cat. hort. par. ed. 2. p. 146.) stem 

 erect, round, striated, mealy ; panicle compound, erect, crowded ; 

 leaflets ovate, rather cordate, bluntly trifid, glaucous beneath. 

 11 . H. Native of Spain, Portugal, Pyrenees, and Switzerland. 

 Schrad. hort. gott. 1. p. 14. t. 8. Moris, hist. 1. sect. 9. t. 20. 

 f. 1. Th. speciosum, Poir. diet. 5. p. 315. Stem simple, hollow. 

 Petioles 3-parted, with pinnate and bipinnate branches. Leaflets 

 ovate, orbicular, 3-lobed ; lobes grossly toothed. Flowers of 

 4 to 5 sepals, yellow. Ovaries 4 to 6 ovate. 



Glaucous Meadow-Rue. Fl. Ju. Jul. Clt. 1798. PL 2 to 5 ft. 



50 TH. RUGOSUM (Ait. hort. kew. ed. 1. vol. 2. p. 262.) 

 stem round, striated, green ; panicle compound, erect ; flowers 

 crowded ; leaflets ovate, rather cordate, coarsely 3 to 5 crenate- 

 toothed, glaucous beneath, shining above. I/ . H. Native of 

 North America, in wet meadows, and on the banks of rivers, 

 from Pennsylvania to Carolina. Th. crenatum, Desf. cat. hort. 

 par. ed. 2. p. 126. Resembles Th. glaucum, but differing in the 

 stem being green not glaucous. Flowers with white sepals and 

 yellow anthers. 



Var. ft, discolor ; stem purplish ; leaflets purplish beneath ; se- 

 pals purplish ; anther yellow. Th. discolor, Willd. enum. app. 46. 



Var. y, umbelliferum (D. C. prod. 1. p. 134.) stem thicker 

 and taller, ending at the apex in long-stalked umbels. Flowers 

 yellow. Perhaps a distinct species. 



Wrinkled-leaved Meadow-Rue. Fl. Jul. Clt. 1774. PL 4 to 6ft. 



^Species belonging to last division but not sufficiently known. 



51 TH. CYNAPIIFOLIUM (Fisch. in litt.) l/.H. Native of 

 Siberia. 



Cynapium-leaved Meadow-Rue. Fl.Ju. Jul. Clt. 1818. PL 2 ft. 



52 TH. OLIGOSPE'RMUM (Fisch. in litt.) I/ . H. Native of 

 Siberia. 



Fern-seeded Meadow-Rue. Fl.Ju. Jul. Clt. 1820. PL 2 ft. 



3. INDIVISA, (from indivisus, undivided; because the leaves are 

 simple). D. C. syst. 1. p. 185. prod. 1. p. 15. Flowers herma- 

 phrodite. Leaves undivided. 



53 TH. ROTUNDIFOLIUM (D. C. syst. 1. p. 185.) leaves ra- 

 dical, stalked, kidney-shaped, somewhat orbicular, broadly 

 crenated, many-nerved. I/. H. Native of Nipaul. Th. Ba- 

 tula, Hamilt. MSS. Th. alchemillaefolium. Wall, in litt. Root 

 fascicled, with long black fibres. Scapes radical, bracteate, with 

 a few one-flowered branches at the top. Sepals 5 rarely 4. 

 Ovaries sessile, oblong, terminated by the acute stigma, collected 

 into a globose head. Pericarps striated. 



Round-leaved Meadow-Rue. PL | to 1 foot. 



54 TH. RANUNCULINUM (Muhl. in Willd. enum. 585.) leaves 

 simple, 5-lobed, serrated. If. . H. Native of Carolina. Flowers 

 corymbose, pale yellow. 



Crowfoot-like Meadow-Rue. Fl. Ju. Jul. Clt. 1806. PL 1 ft. 



4. GRUMOSA, (from grumosus,full of clods ; tuberous roots). 

 D. C. syst. I. p. 186; prod. 1. p. 15. Roots grumose. Flowers 

 hermaphrodite. Sepals petal-like, longer than the stamens. 



55 TH. TUBEROSUM (Lin. spec. 768.) root grumose ; flowers 



