G RANUNCULACE.fi. (CROWFOOT FAMILY.) 



* Flowers perfect : sepals longer than the stamens: sti(jma short: achenia raised 

 on a sii/w, inflated, veiny: Laces ternate or biternate, alternate: flowers Jew, 



panic'' J. 



4. T. clavatum, DC. Stems slender, sparingly branched, naked below ; 

 leaves petioled, biternate; leaflets thin, rounded, crenately lobed, glaucous bc- 

 neath; panicle corymbose, few— many -flowered; flowers small, white; achenia 

 5-10, somewhat crescent-shaped, short-pointed, long-stalked. — Mountains of 

 North Carolina to Alabama. July. — Stems l°-2° high. 



5. T. nudicaule, Schweinitz. Stem slender, naked below, sparingly 

 branched above; radical leaf solitary, long-petioled, biternate; stem-leaves very 

 small, ternate ; leaflets thin, roundish, obtusely lobed, slightly cordate ; panicle 

 4-8-flowered ; flowers minute, greenish ; ovaries short-stalked. — Banks of the 

 Yadkin River, North Carolina.— Stem 2° high. (») 



* # * flowers perfect: sepals longer than the stamens : stigma impressed.' aclienia 

 sessile, ribbed: stem-leaves whorled : flowers umbelled. 

 C. T. anemonoides, Michx. Radical leaves biternate, long-petioled ; 

 leaflets oval or roundish, cordate, 3 - 5-lobcd ; stem-leaves 2-3, sessile, ternate ; 

 the long-Stalked leaflets forming an involucre apparently of 6-9 simple leaves ; 

 umbel 8-6-flowered; sepals 6-10, white. — Woods, Florida to Mississippi, 

 and northward. April and May. — Root tuberous. Stems 6' -10' high. Flow- 

 ers £'-f in diameter. 



6. TRAUTVETTERIA, Fisch. & Mey. 



Sepals 3 -5, orbicular, imbricated in the bud, colored, caducous. Petals none. 

 Stamens indefinite; filaments clavate. Ovaries numerous, 1-ovuled. Stigma 

 recurved. Achenia capitate, gibbous, 4-sided, beaked by the hooked persistent 

 Stigma, Seed erect. — Erect, perennial herbs, with alternate, pahnately-lobed 

 leave-, and corymbose flowers. 



1. T. palmata, Fisch. & Mey. Smooth; stem (2°-4° high) simple or 

 sparingly branched above ; leaves uniform, reticulate, divided into 5 - 9 lanceo- 

 late, toothed and serrate lobes ; those of the root broad (4' - (V), long-petioled J 

 corymb many-flowered. — Margins of mountain Btreams, Georgia, Tcnn 

 and northward. 



7. MYOSURUS, L. M<>is.;-tail. 



Sepals . r >-7, imbricated in the bud, Bpurred at the base. Petals . r >-7, linear- 



gpatulate. Stamens r>-L'<>: filaments filiform. Ovaries numerous, l-ovuled, 



Style subulate Achenia 3-anglcd, imbricated on the filiform, elongated recep- 



S i suspended. — Small annuals, with linear radical leaves, and small, 



solitary, y< llowish (lowers, on b naked scape. 



l. M. minimus, I- Scapes 2' -6' long, longer than the leaves ; achenia 

 - Augusta, Georgia [Elliott), and westward. April. — Fruiting-spike 



linear, V-V 



