6 RANUNCULACEiE. (CROWFOOT FAMILY.) 



* Flowers perfect : sejxils longer than the stamens : stigma short : achenia raised 

 on a stipe, inflated, veiny : leaves temate or biternate, alternate : flowers few, 

 paniclcd. 



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

 leaves pctioled, biternate ; leaflets thin, rounded, ercnately lobed, glaucous be- 

 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 1°- 2° high. 



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

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

 small, temate ; 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° higli. (») 



* * * Flowers perfect : sepals huge?' than the stamens : stigma depressed ■ achenia 

 sessile, ribbed: stem-leaves whorled : flowers umbel ltd. 



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

 leaflets oval or roundish, cordate, -3 - 5-lobed ; stem-leaves 2-3, sessile, temate ; 

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

 umbel 3-6-flowered; sepals 6-10, white. — Woods, Florida to Mississippi, 

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

 ers ^' -%' 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, palmately-lobed 

 leaves, and corymbose flowers. 



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

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

 late, toothed and serrate lobes ; those of the root broad (4' -6'), long-petioled ; 

 corymb many-flowered. — Margins of mountain streams, Georgia, Tennessee, 

 and northward. 



7. MYOSURUS, L. Mouse-tail. 



Sepals 5-7, imbricated in the bud, spurred at the base. Petals 5-7, linear- 

 spatulate. Stamens 5-20: filaments filiform. Ovaries numerous, 1-ovuled. 

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

 tacle. Seed suspended. — Small annuals, with linear radical leaves, and small, 

 solitary, yellowish flowers, on a naked scape. 



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

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

 linear, r-2' long. 



