G kanunculacfje. (crowfoot family.) 



* Fltmert perfect: sepals longer than the stamens: stigma short: aehenia raised 

 on a sti/>e, inflated, veiny: leaves ternate or biter nate, alternate: flowers few, 

 panicled. 



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



leaves petioled, biternato; leaflets thin, rounded, crenately lobed, glaucous be- 

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

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

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



5. T. nudieaule, 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. (*) 



* * * Floicers perfect: sepals longer than the stamens : stigma depressed: aehenia 

 sessile, ribbed: stem-leaves whor/ed : Jloicers umbelhd. 



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-flowercd ; sepals 6-10, white. — Woods, Florida to Mississippi, 

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

 ers h' -\' in diameter. 



6. TRAUTVETTERIA, Fisch. & Mcy. 



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

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

 recurved. Aehenia 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. & Mcy. 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. MYOSURUS, L. Mouse-tail. 



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

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

 Style subulate. Aehenia Wangled, imbricated on the filiform, elongated recep- 

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

 solitary, yellowish flowers, on a naked scape. 



I. M. minimUS, I; Scapes 2' -6' long, longer than the leaves ; aehenia 

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

 linear, 1 ' - 2' long. 



