6 RANUNCULACEJE. (CKOWFOOT FAMILY.) 



♦ Flowers per f rt : sepals longer than the stamens: stigma short: aehcnia raised 

 on a stipe, iujluted, veinij : leaves ternate or bilernute, uliernulc : Jlouers few, 

 panicled. 



4. T. Clavatum, DC. Stems slender, ppariiif^ly bianclicd, naked below; 

 leaves jictioled, biternate ; leaflets thin, rounded, crenatcly lobed, glaucous be- 

 neath; i)anielc corymbose, few- many-llowcred ; flowers small, wliitc ; aehcnia 

 5-10, somewhat crescent-shaped, sliort-pointcd, 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-pctioled, biternate ; stem-leaves very 

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

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

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



♦ * * Flowers pnfeet : sepals longei- than the stamens : stigma depressed.' aclienia 

 sessile, ribbed: stem-leaves whorkd : Jlowers umbe'ltd. 



6. T. anemonoides, !RIichx. Radical leaves biternate, long-pctioled ; 

 leaflets oval or roundish, cordate, 3 - 5-loI)ed ; stem-leaves 2 - 3, sessile, teraatc ; 

 the long-stalked leaflets forming an involucre ajjparently of G-9 simple leaves; 

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

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

 ers 2' -5' in diameter. 



G. TRAUTVETTERIA, Fisch. & Mcy. 



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

 Stamens indefinite ; filaments clavatc. 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-lobcd 

 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 senate lobes; those of the root broad (4'-G'), longijetioled ; 

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

 and northward. 



7. MYOSURUS, L. Mouse-tatl. 



Sepals 5-7, imiiricatcd in the bud, spuiTcd at the base. Petals 5-7, lincar- 

 spatulatc. Stamens 5-20: filaments filiform. Ovaries numerous, lovulcd. 

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

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

 solitary, 3ellowish flowen>, on a naked scape. 



1. M. minimus, L Scapes 2'- G' long, longer tli.nn the leaves ; nchcnia 

 beakless. — Augusta, Georgia {Elliott), and westward. Ai)ril. — Fruiting spike 

 linear, l'-2' long. 



