*‘THALICTRUM. 1. RANUNCULACE. : 147 
Leaves 2 or 3-ternate, with ovate-lanceolate leaflets, variously lobed and cut. 
Petioles 4—7 long, smooth, and slightly glaucous, like the whole plant. 
Flowers 20—40, in a short dense raceme. Berries bright red, on slender pedi- 
cels. May. © , 
2. A. arpa. Bw. (A. Americana. @. alba. Ph.) White Bane-berry. 
Lvs. twice and thrice ternate ; rac. oblong ; pet. truncate ; pedicels of the fruit 
thicker than the peduncles; derries white——Grows in rocky woods, common, 
Can. to Ga., much like the last in foliage. Plant 13—2f. high, bearing 2 com- 
pound leaves and a eluster of flowers. Leaflets 1—2’ long, 3 as wide, acumi- 
nate. Raceme 1—3’ long, 14’ thick, the pedicels 2’ long, at length purple, and 
about as thick as the purple peduncles,—characters which, as well as the miik- 
white fruit, readily distinguish this species from the last. May. 
15. CIMICIFUGA. 
Lat. cimex, a bug, fugo, to drive away ; alluding to its offensive odor. 
Sepals 45; petals 3—8, sometimes wanting; stamens 00, 
anthers introrse; follicles 1—8, oblong, many-seeded—% Lows. ter- 
nately divided. ls. white, in long slender racemes. 
1. C. racemosa. Ell. (Acteea. Linn. Macrotys. Raf.) Black Snake-root. 
Ivs. ternately decompound; /fts. ovate-oblong, incisely serrate ; rac. very 
long; pet. 2, forked, slender; sty. 1; capsule follicular, dry, dehiscent, ovate.— 
A tall, leafy plant, with the aspect of an Actea, found in upland woods. Stem 
4—8 f. high, with long, panicled racemes of white sepaled and monogynous 
flowers. Petals 4—6, small. Stamens about 100 to each flower, giving the 
ee the appearance of a long and slender plume. Flowers very fetid. 
n,, Jl. 
2. C. Americana. Michx. (C. podocarpa. Ell. Acta podocarpa. DC.) 
Glabrous; Jvs. triternate, segments ovate, terminal one cuneiform at base, 
3-parted or 3-cleft and incised; pez. concave, sessile, 2-lobed, nectariferous at 
base; ova. 2—5, stiped, obovate and pod-shaped in fruit; sds. flat, scaly. — 
Woods, Penn. to N. Car. Stem 3—6f high. Leaflets 2—4’ long, with coarse, 
unequal, mucronate serratures. Flowers smaller than in C. racemosa, in a 
long panicle of racemes. Follicles abruptly beaked, 6—8-seeded. 
16. TRAUTVETTERIA. Fisch, and Meyer. 
Named in honor of Trautvetter, a German botanist. 
Sepals 4—5 ; petals 0; stamens 00, petaloid; anthers introrse ; 
carpels 15—20, membranaceous and indehiscent, 3-carinate, l-seeded, 
tipped with the short, hooked style—% Lvs. palmately lobed. 
T. patmata. Fisch. and Meyer. (Cimicifuga. Hook.) 
St. slender, terete, smooth, branched above; Jvs. few, rugose and reticulate- 
veined, palmately 5—9-lobed, upper ones sessile, lower on long petioles, lobes 
lanceolate, acute, incisely serrate ; fls. cymose.—Prairies, Ia. S.to'Tenn. Plant 
2—5f high. Radical leaves 4—6’ wide, 3—5’ long, the petioles twice as long. 
Stem leaves 2—4, remote. Flowers many. Sepals orbicular, concave, cadu- 
cous, white. Stamens conspicuous, white. Jl. Aug. 
417. THALICTRUM. 
Said to be from SaAXw, to be green. 
Calyx colored, of 4—5 roundish, concave, deciduous sepals ; 
corolla 0; filaments 00, compressed, dilated upwards, longer than 
the calyx ; ovaries numerous (4—15), with sessile stigmas; achenia 
awnless, ovoid.— 2 Lws. ternately divided. F's. often 2 &. 
1. T. prorcum. Early Meadow Rue. ; 4 
__ Very smooth ; dvs. decompound ; /fls. roundish, with obtuse lobes ; filaments 
filiform ; jls. Q g.—Herb 1—2f higk, meadows and woods, British Am. to 
Car. Stem striate, jointed. Leaflets paler beneath, with 5—7 rounded lobes 
or teeth. Flowers in long-stalked panicles. Sepals 5, obtuse, purplish. The 
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