G RANUN'CUI.ACK.i:. (( KOWIOOT 1AM 1 1, V.) 



♦ Flonvr.i prr/id : xejKih louijfr thim the stamens: slii/ma short: acheiiin raisnl 

 OH a stijte, iiijlatal, ctini/ : Uaces iernulc or hUcnidle, ulti-niatc : Jlowers few, 

 jmnickd. 



4. T. clavatum, DC. Stems sIcikIlt, spnrinply hrnnclicd, naked In-low ; 

 leaves petiukd, biteriiate ; leaflets thin, rounded, crenately lohed, glaueou:i be- 

 neath; panicle eoiynihosc, few - many-flowered ; flowers small, white ; aelieniti 

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

 North Carolina to Alabama. July. — Stems l°-20 high. 



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

 branched al)ove ; radical leaf solitary, long-petioled, biternate ; stem-leaves very 

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

 4-8-flowered ; flowers minute, greenish ; ovaries sliort-stalkcd. — Banks of tho 

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



* * * Flowers pel feet: septth hiKjn- than the stamens : slir/ma ikpressed.' achenia 

 sessile, ribbed: stem-leu ces whor led : Jlowers nmbelled. 

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

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

 the long-stalked leaflets i'orming an involucre apparently of 6-9 simple leaves ; 

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

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

 ers j'-5' 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, palmatcly-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 serrate lobes ; those of the root broad (4' -6'), long-petioled ; 

 corvmb many-flowcrcd. — 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- 

 si>atulate. Stamens 5-20: filaments filiform. Ovaries numerous, 1-ovuled. 

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

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

 solitary, yellowish flowers, on a naked scajie. 



1. M. minimus, Ti. Scapes 2'-0' long, longer than the leaves ; achenia 

 hcakles.s. — Augusta, Georgia (Ellwtt), and westward. April. — Fruiting-spike 

 linear, 1 ' - 2' long. 



