RANUNCULACE^:. (CROWFOOT FAMILY.) 7 



polygamous: sepals 4 5, falling away early : fruits sessile, tipped with long stig- 

 mas, ribbed-angled. 



2. 1\ dioiciftin, L. (EARLY MEADOW-RUE.) Leaves all with general 

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

 ish. 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. CorilUti, L. (MEADOW-RUE.) Stein-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 

 3-9 high, furrowed. Leaves whitish and glandular, or downy beneath. Fila- 

 ments slightly club-shaped ; anthers oblong. 



7. TRAUTYETTERIA, Fischer & Meyer. FALSE BUGBANE. 



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

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

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

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



1. T. palmata, 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. RAi\ilNCUL,US, L. CROWFOOT. BUTTERCUP. 



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

 nia numerous, in a 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 more 

 than 5. Stamens occasionally few in number.) (A Latin name for a little 

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

 those animals abound.) 

 1. BATRACHIUM, DC. Petals with a pare or naked pit at the base, ivhite, 



the claw ijcllow : achenia turgid, transversely wrinJded: aquatic perennials, with 



the immersed foliage dissected into capillary lobes. 



1. R. aqii5 tills, L., var. divaricatus. (WHITE WATER-CROW- 

 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 than 

 the calyx ; receptacle of fruit hispid. (R. divaricatus, Schrank. R. circinatas, 

 Sibthoi-p.) Ponds and slow streams : common. June -Aug. (Eu.) 



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



* Achenia smooth. 

 *- Aquatic, perennial : immersed leaves JilifomiJy dissected. 



2. R. Pursliii, Richards. (YELLOW WATISR -CROWFOOT.) Stem 

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



