EANUNCULACE^. (CEOWFOOT FAMILY.) 7 



polygamous: sepah 4-5, fcUling away early: fruits sessile, tipped mth long stig 

 mas, ribbedrangled. 



2. T. diolcum, L. (Eajblt Meadow-Etie.) Lmves ell with general 

 petioles; leaflets rounded and 5-7-lobed; flowers in compound panicles, green- 

 isli. — Rocky woods and hill-sides ; common northward. April, May. — A foot 

 or so high, with very pale and delicate foliage, and slender yellowish anthers on 

 capillary filaments. 



3. T. Cornuti, L. (Meadow-Eue.) Stem-leaves without general peti- 

 oles ; leaflets 3-lobed at the apex, the lobes acutish ; flowers in very compound 

 large panicles, white. — Meadows and along streams. June, July. — Stem 

 3° -4° high, furrowed. Leaves whitish or downy beneath. Filaments slightly 

 club-shaped ; anthers oblong. 



7. TBAUTVETT4;RIA, Fischer & Meyer. False BnoBANE. 



Sepals 4 or 5, concave, petal-like, very caducous. Petals none. Achenia 

 numerous, in a head, membranaceous, compressed-4-angled and inflated. Seed 

 erect. — A perennial herb, with palmately-lobed leaves, all alternate, and corym- 

 bose (white) flowers. (Dedicated to Prof. Trautvetter, a Eussian botanist.) 



1. T. pallHE^ta, Fischer & Meyer. (Cimicifuga palmata, Michx.) 

 Woods, along streams, Virginia and Kentucky along the mountains : also spar- 

 ingly in Ohio and Illinois. July, Aug. — Root-leaves large, 5 - 9-lobed ; the 

 lobes toothed and cut. Stems 2° -3° high. 



8. BANijBrCUL.US, L. Csowrooi. Buitekcup. 



Sepals 5. Petals 5, flat, with a little pit or scale at the base inside. Ache- 

 nia numerous, in z, head, mostly flattened, pointed; the seed erect. — Annuals 

 or perennials : stem-leaves alternate. Flowers solitary or somewhat corymbed, 

 yellow, rarely white. (Sepals and petals rarely only 3, the latter often mora 

 than 5. Stamens occasionally few in mmiber.) — (A Latin name for a littls 

 frog ; also applied by Pliny to these plants, the aquatic species growing where 

 those animals abound. ) 

 §1. BATRACHIUM, DC. — Petals with a pore or naked pit at the base, white, 



the claw yellow : achenia turgid, transversely wrinlded: aquatic perennials, with 



the immersed foliage dissected into capillary lobes. 



1. R. aqu&tilis, L., var. divaricatus. (White Water-Cbow- 

 FOOT.) Floating ; leaves all immersed and similar, compoundly dissected into 

 many capillary lobes, which are rather rigid, and all widely spreading in a hori- 

 zontal plane, making an orbicular outline ; petals obovate, much longer thaii 

 the calyx ; receptacle of frait hispid. (E. divaricatus, Schrank. E. circinatus, 

 Sibthorp.) — Ponds and slow streams : common. June- Aug. (Eu.) 



§ 2. Petals with a Utile scale at the base (yellow in all our species). 



* Achenia smooth. 



■t- Aquatic, perennial : immersed leaves fliformly dissected. 



2. B. Pursliii, Richards. (Yellow Watee-Ceowfoot.) Stem 

 floating, with the leaves all dissected into several times forked capillary divis 



