36 RANUNCULACE^. (CROWFOOT FAMILY.) 



§ 2. VI6KNA, Flowers large, solitary on long peduncles, usually nodding. 



Sepals thick, erect and connivent at base, mostly dull purple. Petals none. 



Anthers linear. 

 •t- Stems climbing; leaves pinnate ; calyx (and foliage) glabrous or puberulent. 



3. C. Viorna, L. (Leather-Flower.) Calyx ovate and at length bell- 

 shaped; the purplish sepals {V long) very thick and leathery, wholly connivent 

 or only the tips recurved ; long tails of the fi'uit very plumose ; leaflets 3-7, 

 ovate or oblong, sometimes slightly cordate, 2 - 3-lobed or entire ; uppermost 

 leaves often simple. — Kich soil, Penn. to Mo., and southward. May -Aug. 



4. C. Pitcheri, Torr. & Gray. Calyx bell-shaped; the dull purplish 

 sepals with narrow and slightly margined recurved points; tails of the fruit fili- 

 form and naked or shordy villous; leaflets 3-9, ovate or somewhat cordate, 

 entire or 3-lobed, much reticulated ; uppermost leaves often simple. — S. Ind. 

 to Kan., and Tex. June. 



5. C. crispa, L. Calyx cylindraceous below, the upper half of the bluish- 

 purple sepals (1-2' long) dilated and widely spreading, with broad and wavy 

 thin margins ; tails of the fruit silky or glabrate ; leaflets 5-9, thin, varying 

 from ovate or cordate to lanceolate, entire or 3-5-parted. (C. cyliudrica, 

 Sims.) — Va. near Norfolk, and southward. May -Aug. 



^ •*- Low and erect, mostly simple ; flowers solitary, terminal; leaves sessile or 

 nearly so, undivided, strongly reticulated. 



6. C. OChroleuca, Ait. Leaves ovate, entire or sometimes 3-lobed, silky 

 beneath ; peduncles long ; tails of the fruit very plumose. — Copses, Long 

 Island to Tenn. and Ga. ; rare. May. 



7. C. Fremonti, "Watson. Leaves crowded, thick, often coarsely toothed, 

 sparingly villous-tomentose ; peduncles very short ; tails villous or glabrate, 

 not plumose. — Mo. and Kan. 



§ 3. ATRAGENE. Some of the outer filaments enlarged and more or less 

 petaloid ; peduncles bearing single large flowers; the thin sepals widely 

 spreading. 



8. C. verticillaris, DC. Woody-stemmed climber, almost glabrous; 

 leaves trifoliolate, with slender common and partial petioles ; leaflets ovate or 

 slightly heart-shaped, pointed, entire, or sparingly toothed or lobed ; flower 

 bluish-purple, 2-3' across; tails of the fruit plumose. — Rocky places in 

 mountainous districts, Maine and W. New Eng. to Va., Minn., and northwest- 

 ward; rare. May. — A pair of leaves with a peduncle betAveeu them, devel- 

 oped in spring from each of the opposite buds, gives the appearance of a whorl, 

 whence the specific name. 



2. ANEMONE, Tourn. Anemone. Wixd-flower. 



Sepals few or many, petal-like. Petals none, or in n. 1 resembling abortive 

 stamens. Acheues pointed or tailed, flattened, not ribbed. Seed suspended. 

 — Perennial herbs with radical leaves ; those of the stem 2 or 3 together, oppo- 

 site or whorled, and forming an involucre remote from the flower ; peduncles 

 1 -flowered, solitary or umbellate. (The ancient Greek and Latin name, from 

 Avi^l6a), to be shaken by the wind.) 



