KANUNCULACE^. (CROWFOOT FAMILY.) 5 



3. ANEMONELLA, Spach. Rue-Anemone. 



Habit and flowers of Anemone, with the foliage of Thalictrum. Flowers 

 umbelled. Style none. Acheuia few, smooth, oblong, strongly ribbed. 



1. A. thalictroides, Spath. Glabrous, 6' -10' high, from clufitered 

 tubers; leaves teruately compouud ; leaflets long-stalked, oval or roundish, 

 cordate, shortly 3 - .5-lobed, of the involucre G -9 ; umbel 3 - 6-flowered ; seprls 

 6 - 10, oblong, white, 4" - 6" long. — Dry woods. April - May. 



4. THALICTRUM, Touru. Meadow-Eue. 



Sepals 4-5, imbricated in tlie bud, colored, deciduous. Petals none. Sta- 

 mens numerous. Ovaries 3-15, 1-ovuled. Achenia furrowed or inflated, 

 pointed by the persistent stigma or short style. Seed suspended. — Perennial 

 mostly glabous branching herbs, with alternate teruately compound leaves, 

 and mostly diacious or polygamous small flowers. 

 * Flowers diitcious or poli/guinous ; sepals s/iorier than tlie stamens ; stijle short; 



achenia ribbed. 

 •i— Leaves 2-3-ternate, petioled ; leaflets roundish, eremite, ylaitcoKs ; anthers 



longer than the filaments ; achenia oval or oblong; pedicels long, axillari/ ; 



sepals greenish ; flowers dicecious. 



1. T. debile, Buckley. Stem prostrate, 6' -12' long, from clustered 

 tubers; pedicels mostly in pairs; stamens 10-15; acheuia 1-6, oblong. — 

 Rocky woods, mountains of Georgia and Alabama. April- May. 



2. T. dioicum, L. vStem erect, from a fibrous root ; pedicels 2 - 6 in a 

 cluster; stamens 20 -30; achenia 4- 10, oval, sessile, or rarely stipitate. (Var. 

 stipitatum, Torr. Sf- Graij). — Rocky woods, in the 'upper districts. March - 

 April. 



H— -1— Lowest leaves petioled, decomponnd, the others sessile ; leaflets veri/ vari- 

 able, entire or 3-lobed ; anthers shorter than the filaments; achenia acute; 

 flowers panicled. 



3. T. purpurascens, L. Stem .3° -5° high, generally purplish ; leaf- 

 lets ovate or oblong, often cordate, strongly veined, 3-lobed or entire, mostly 

 pubescent beneath ; flowers dioecious, greenish or purplish ; filaments long 

 and drooping, slightly tliickened upwards ; anthers linear, mucronate. — Dry 

 soil in the upper districts. July - August. 



4. T. polygamum, Mulil. Like the la.st, but taller ; leaflets less strongly 

 veined and thinner ; flowers polygamous, white ; filaments plainly thickened 

 under the short oblong obtuse antliers. — Swamps and wet banks. July - 

 August. 



* * Flowers perfect ; stigma sessile ; achenia stipitate, inflated, veiny ; flowers 

 panicled; leaves petioled, hiternate. 



5. T. Clavatum, DC. Stem l°-2°high, sparingly branched ; leaflets 

 thin, obovate or rounded, 3-lobed ; panicle corymbose ; flowers white ; achenia 

 5-10, scimitar-shaped, short-pointed. (T. nadkuvle, Schweinitz.) — Moun- 

 tains of X. Carolina. Julv. 



