RANUNCULACEJE. (CROWFOOT FAMILY.) 5 



3. A. Virginiana, L. (VIRGINIA ANEMONE.) Stem hairy or woolly, 

 at length many-flowered ; peduncles elongated, the earliest one simple ; lateral 

 ones several times forking, and bearing a 2-leaved involucre and a single flower 

 at each joint ; proper involucre 3-leaved, the leaves long-petioled, 3-parted, with 

 ovate or oblong lobed and toothed divisions ; sepals 5, oval, greenish, acute ; 

 achenia numerous, in an oblong head, woolly. Open woods in the upper dis- 

 tricts, and northward. July - September. Plant 2 - 3 high. Flower 8"- 9" 

 in diameter. Radical leaves 3-4, similar to the involucre. 





 4. HEPATIC A, Dill. LIVER-LEAP. 



Flowers and fruit as Anemone. Involucre close to the flower, 3-leaved, resem- 

 bling a calyx ; its leaves sessile, ovate, entire. A low, perennial herb, with 

 scape-like, 1-flowered stems, and 3-lobed, long-petioled, cordate, persistent, radi- 

 cal leaves. 



1. H. triloba, Chaix. Lobes of the leaves rounded, entire ; stems hairy ; 

 flowers purplish or white ; achenia oblong, hairy. Shady woods, Florida and 

 northward. Februaiy - March. Stems 3' - 6' high. 



5. THALICTBUM, Tourn. MEADOW-RUE. 



Sepals 4-10, imbricated in the bud, colored, spreading, deciduous. Petals 

 none. Stamens numerous. Filaments filiform, clavate or flattened. Ovaries 

 3-15, 1-ovuled. Achenia sessile or stalked, furrowed or inflated, pointed by the 

 sessile persistent stigma or short style. Seed suspended. Perennial herbs. 

 Leaves compound. 



* Flowers polygamous or dioecious : sepals shorter than the stamens : stigma elon- 

 gated: achenia nearly sessile, ribbed: leaves alternate, decompound: involucre 

 none : flowers small, panicled. 



1 . T. dioicum, L. Stems erect ; leaves long-petioled ; leaflets thin, 

 roundish, crenately 5 - 7-lobed, smooth ; flowers numerous ; sepals greenish ; 

 stamens and stigma filiform ; achenia sessile, or (in var. STIPITATUM, Torr. $ 

 Gray) distinctly stalked. (T. rugosum & T. Carolinianum, DC.) Mountains 

 of North Carolina and northward. July -August. Stem 1- 1 high. 



2. T. debile, Buckl. Stems low (8' -12'), procumbent or ascending, much 

 branched ; leaves long-petioled ; leaflets small, stalked, rounded, crenately lobed, 

 smooth ; flowers few on axillary or terminal peduncles ; achenia oblong, strongly 

 ribbed, short-stalked, as long as the slender style. Rich woods, near Allenton, 

 Wilcox County, Alabama (Buckley). March and April. Stems branching at 

 the base, slender. 



3. T. Cornuti, L. Radical leaves long-petioled ; stem-leaves sessile (the 

 common petiole wanting) ; leaflets thick, oval or oblong, 3-lobed or entire, often 

 cordate, smooth, or pubescent beneath ; sepals white ; stamens and stigma slightly 

 clavate; achenia short-stalked. (T. revolutum, DC.) Meadows and woods, 

 Florida and northward. June - August. Stems 3 - 4 high. Radical leaves 

 very large. Leaflets varying greatly in size. 



1* 



