6 RANUNCULACEJE. (CROWFOOT FAMILY.) 



* Flowers perfect : sepals longer than the stamens: stigma short: acJienia raised 

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

 panided. 



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

 leaves petioled, biternate ; leaflets thin, rounded, crenately 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 l-2 high. 



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

 branched above ; radical leaf solitary, long-petiolcd, 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 depressed: aclienia 

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



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

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

 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. TRATTTVETTERIA, 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 branched 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. MYOSUBUS, 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 ; acheuia 

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

 linear, 1 ' - 2' long. 



