8 DICOTYLEDONOUS. 



Genus XI. ACTiEA: 



Sepals 4, deciduous. Petals spatulate, oblong, shorter than 

 the stamens. Stameiis numerous, anther introrse. Stigma ses- 

 sile. Car-pels baccate, solitary, rnany-seeded, Seeds compres- 

 sed, smooth. 



1. A. Alba. Stem 2 to 3 feet hioh. Leaves ternately decompouna, leaf- 

 lets acutely serrate, notched, slightly pubescent. Raceme oblong, pedicels 

 very thick when the fruit is matured, flowers crowded. Fruit white. 



Mountains. April. Necklace weed. 



Genus XU. CIMICIFUGA. 



Sepals 4-5. Petals 4, sometimes none, concave or ongucu- 

 late. Stamens numerous. Anthers introrse. Styles short. 

 Leaves 2 or 3, ternately divided. Segment incised, toothed. 

 Flowers in Ions: racemes. 



& 



1. C. Racemosa. Stem 3 to 8 feet high, generally pubescent, furro^^-ed^ 

 leafy near the middle. Leaves decompound, incised, acutely serrate. Flow- 

 ers monogynous, bracteate, in long terminal racemes, branched. Sejjals cadu- 

 cous. Petals none, or very small with long claws. Capsules ovate, seeds 

 7 or 8, compressed. 



Yellowish white. T2. Thick woods. Mid. Geo. 



Flowers Polygynous. 



2. C. Americana. Stem 2 to 4 feet high, glabrous. Leaves decompound, 

 triternate, segments ovate, the terminal 3-parted or 3-cleft, incisely lobed, 

 cuneiform or subcordate at the base. Flowers in racemes, on short bracteate 

 pedicels. Sepals 5, ovate. Ovaries 2 to 5, siipitate, smooth, compressed, gen- 

 erally fewer in the upper than in the lower flowers. 



Mountains. Aug. and Sept. 



3. C. Cordifolia. Resembles the two preceding. Leaves, bitemate. 

 Leaflets 3-5-7-lobed, cordate. Ovaries 2 to 3, glabrous, sessile. 



Mountains. July. 



Remark^.— The C. Racemosa has long been used in medicine ; in families as a rem- 

 edy for rheumatism, dropsy, hysteria and atfections of the lungs ; and by physicians 

 with decided success in cases of chorea, St. Vitus' dance. The decoction of the root 

 Is the form in which it is usually administered. 



Genus XUI. TRAUTVETTERIA. 



Sepals 4 to 5. Petals none. Stamens numerous. Aniliers 

 introrse. Capsules 15 to 20, membranaceous and indehiscent, 

 3-carinate, 1 -seeded, tipped with a very short hooked style, 

 seed erect. Perenial herbs. Leaves palmately lobed. Stem 

 simple, or branching above. Inflorescence cymose. 



1. T. Palmata. Leaves slighdy coriaceous with conspicuoos reticulated 

 veins. Cymes mostly compound. Torry & Gray. 

 Mountains, N. C. July and Ang. 2-3 feet. 



Genus XIV. MYOSURUS. 

 Sepals 5, produced downward at the base beyond theij* in- 



