14 
branched, furrowed; root fibrous; panicle multiple, erect, 
somewhat corymbose; leaflets of radical leaves wedge-shaped, 
trifid, those of the stem leaves oblong-linear. Y. 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. dict. 5. p. 317. 
exclusive of the synonymes and countries. Like Th. flavum. 
Flowers yellow. 
Blackish-leaved Meadow-Rue. 
2 to 3 feet. 
41 Tu. FLA`vuM (Lin. spec. 770. var.a.) stem erect, branched, 
furrowed; root fibrous; panicle multiple, erect, somewhat co- 
rymbose ; leaflets wedge-shaped, trifid, acute. 2. 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- 
ténse, 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. D paupérculum (D. C. fl. fr. No. 4603.) panicle few- 
flowered. 
Var. y vaginàtum (D.C. prod. 1. p. 14.) sheaths of petioles 
expanded into auricles. Th. vaginàtum. Desf. cat. hort. par. 
ed. 2. suppl. 274. 
Yellow-rooted Meadow-Rue. Fl. Ju. Jul. Britain. Pl. 3 to 4 ft. 
42 Tu. pivarica‘tum (Horn. hort. hafn. add. 967.) stem 
branched, upright, leafy, furrowed ; leaflets ternate, linear, very 
narrow, trifid, divaricating; panicle diffuse (strict?); flowers 
erect. Y.H. Native of? Flowers yellowish. 
Diwvaricating-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. 
Y.H. Native of Italy. Flowers yellow. 
Rosemary-leaved Meadow-Rue. Fl. Ju. Jul. Clt. 1816. Pl. 
2 to 3 feet. 
44 Tu. LASERPITHFÒLIUM (Horn. hort. hafn. suppl. p. 62.) 
lower leaflets cuneated, trifid, those of the cauline leaves linear, 
ultimate ones 3-parted; flowers erect. 4%. H. Native of? 
Flowers yellow. 
Lasernort-leaved Meadow-Rue. FI. Ju. Jul. Clt.1810. Pl. 3 ft. 
45 Tu. Tuunse’ren (D. C. syst. 1. p. 183.) stem erect, 
branched, round; panicle compound, erect; leaflets wedge- 
shaped, acutely trifid at the apex, glaucescent. 2.H. Native 
of Japan. Resembles Th. fldvum, but differing in the stem 
being round and smooth, not furrowed ; flowers smaller ; ovaries 
3 to 5, not 10 to15; stamens 10 to 12 not 24. Flowers yellow. 
Thunberg’s Meadow-Rue. Fl. June, July. Pl. 3 feet. 
46 Tu. simptex (Lin, mant. 78.) stem erect, simple, angular ; 
root creeping ; panicle erect, racemose, few-flowered ; leaflets 
linear, or lower ones oblong, acute, trifid. Y%.H. Native of 
France, Sweden, Norway, Denmark, Switzerland, in waste mea- 
dows and on the banks of rivers. Fl. dan. t. 244. Th. angus- 
tifolium, Vill. dauph. 3. p. 722, exclusive of the synonymes. 
Th. tenuifdlium, Swz. Flowers with green sepals and yellow 
stamens. Herb glaucous. 
Simple-stemmed Meadow-Rue. Fl. May, July. Cit. 1778. 
Pl. 1 to 2 feet. 
47 Tu. pensirLoruM (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. X4. G. 
Fl. Ju. Jul. Clt. 1798. Pl. 
RANUNCULACE Æ. 
IV. THALICTRUM. 
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. Pi. 2 to 3 ft. 
48 Tu. 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. 2. H. Native of? Stem hollow, leaves tripin- 
nate. Flowers yellow. Ovaries 7 to 8, acute. 
Cinercous Meadow-Rue. Fl. Ju. Jul. Clt. 1810. Pl. 3 or 4 ft. 
49 Tu. crav'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. 
4Y. H. Native of Spain, Portugal, Pyrenees, and Switzerland. 
Schrad. hort. gött. 1. p. 14. t. 8.—Moris. hist. 1. sect. 9. t. 20. 
f.1. Th. speciòsum, Poir. dict. 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 Tu. rucdsum (Ait. hort. kew. ed. 1. vol. 2. p. 262.) 
stem round, striated, green; panicle compound, ereet; flowers 
crowded ; leaflets ovate, rather cordate, coarsely 3 to 5 crenate- 
toothed, glaucous beneath, shining above. Y.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. glaùcum, but differing in the 
stem being green not glaucous. Flowers with white sepals and 
yellow anthers. l 
Var. 3, discolor ; stem purplish ; leaflets purplish beneath ; se- 
pals purplish ; anther yellow. Th. discolor, Willd. enum. app. 46. 
Var. y, umbelitferum (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 6 ft. 
{Species belonging to last division but not sufficiently known. 
51 Tu. cynapurozium (Fisch. in litt.) Y.H. Native of 
Siberia. 
Cynapium-leaved Meadow-Rue. Fl. Ju. Jul. Cit. 1818. Pl. 2 ft. 
52 Tu. oxicospe’rmum (Fisch. in litt.) 3%. H. Native of 
Siberia. 
Fen-seeded Meadow-Rue. Fl. Ju. Jul. Clt. 1820. Pl. 2 ft. 
$3. Ixnivìsa, (from indivisus, undivided ; because the leaves are 
simple). D. C. syst. 1. p.185. prod. 1. p. 15. Flowers herma- 
phrodite. Leaves undivided. 
53 Tu. rotunpirérium (D.C. syst. 1. p. 185.) leaves ra- 
dical, stalked, kidney-shaped, somewhat orbicular, broadly 
crenated, many-nerved. 2. H. Native of Nipaul. Th. Ba- 
tula, Hamilt. MSS. Th. alchemillefoélium. 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. PI. 4 to 1 foot. 
_ 54 Tu. ranuncurinum (Muhl. in Willd. enum. 585.) leaves 
simple, 5-lobed, serrated. XY. H. Native of Carolina. Flowers 
corymbose, pale yellow. 
Cronfoot-like Meadow-Rue. Fl. Ju. Jul. Clt. 1806. Pl. 1 ft 
§ 4. Grumòsa, (from grumosus, full of clods; tuberous roots} 
D. C. syst. 1. p. 186; prod. 1. p.15. “Roots grumose. Flowers 
hermaphrodite. Sepals petal-like, longer than the stamens. 
55 Tu. TUBERÒSUM (Lin. spec. 768.) root grumose; flowers 
