ORDER 1. RANUNCULACEJE. 201 



1 C. verticillaris DC. Stem ascending trees 15 ft. by means of its twistiag 

 petioles. At each node is a whorl (arising from two buds) of four ternate 

 leaves, and two large purple flowers. Leaflets acute, 1 2' by \ 1', ovate, 

 slightly notched. Sepals lanceolate, acute, 15" by 5". Filaments about 24, 

 outer ones (petals ?) dilated, spatulate, tipped with imperfect anthers. A hand- 

 some climber in highland woods, Vt. (Dr. Phelps) to N. Car. W. to the Rocky Mts. 

 May, Jn. (Atragene Americana Sims). 



2 C. Virginiana L. Lvs. ternate ; Ifts. smooth, lobed, and cut-dentate. A common, 

 hardy climber in hedges and thickets, Can. to G-a. and the Miss. Stem 8-15 f. in 

 length, supporting itself on fences and brushwood by means of the long petioles. 

 Leaflets 2 3' by 1^ 2', with mucronate teeth. Sepals 4. white, oblong-obovate, 

 obtuse. Stamens 28 36. Panicles large, axillary, dichotomous. Fruit furnished 

 with long, plumous tails (caudas), appearing in large, downy tufts. Aug.f 



3 C. holoserfcea Ph. Lvs. ternate ; Ifts. pubescent both sides, entire, oblong- 

 lanceolate. In Carolina. Plant climbing, downy or silky in all its parts. 

 Panicles corymbous, trichotomous, few flowered. Flowers dioecious, small, white; 

 the linear petals longer than th.3 stamens. Achenia long-plumed. 



4 C. Catesbyana Ph. Lvs. biternate ; Ifts. ovate, small, mostly 3-lobed, the 

 lobes entire In Georgia. Plant climbing, minutely pubescent. Flowers in axil- 

 lary, divaricately forked cymes, small, mostly $ J . Sepals linear oblong. Fila- 

 ments in the flowers, linear-margined, without anthers. Achenia short- 

 plumed. 



5 C. cylfiidrica Sims. Lvs. ternate, pinnate, or decompound; Ifts. ovate (very 

 variable), acute, smooth, membranous. Virginia to Ga. and La. Stems climbing, 

 but not extensively, smooth. Leaves exceedingly various. Leaflets 3-15, glab- 

 rous, simple, often lobed or 3-parted, rendering the leaf decompound. Peduncle 

 terminal, bearing a large, nodding, bell-shapsd, bluish purple flower. Achonia 

 with short (69") pubescent tails. Apr. May. 



j3. crispa. Lfts. large (2' 3'), broadly-ovate, obtuse or subcordate at base. 



Sepals above much dilated and crisped, spreading or reflexed. Ga. Varying 



imperceptibly into a. (C. crispa L.) 

 y. Wdlteri. Slender throughout. Leaflets 35, very narrow, acute at each end. 



Sepals narrow and scarcely wavy. Stamans sometimes sterile. Ga. Perhaps 



distinct. (E. Walteri, Ph.) 

 6. lineariloba. Lfts. about 15, lance-linear, acute or acuminate at each end. 



Flower more or less cylindraceous below. Quincy, Fla., La. (C. lineariloba, 



DC.) 



6 C. reticulata Walt. Leaves pinnate or ternate. Lfts. obtuse at each end, at 

 length rigid and prominently net-veined. Fla. Lfts. 3 6, stalked as in the other 

 species, oblong, ovate or oval entire, simple or lobed. Flower terminal, nodding, 

 bell-shaped, pale-purple, much resembling that of No 5. Sepals 1 !' long. 

 Achenia with long silky tails. Apr. 



7 C. Viorna L. LEATHER-FLOWER. Lfts. ovate, acute, smooth. Sepals mate, thick 

 and leathery ; ach. with long plumous tails. Woods, Ohio to Ga. Stems 10 15f 

 in length, striate. Lvs. pinnate, those of the branches (bracts) simple, ovate, 

 subsessile. Lfts. ovate or lance-ovate, simple or 3-lobed. Flower terminal, nod- 

 ding dark purple. Sepals ovate-lanceolate, 1' long, cuspidate point reflexed. 

 Tails !' long. Jn. Jl. 



8 C. Pitcher! T & G. Lfts. rough with prominent veins, coriaceous. Sepals 

 lance-ovate, thick, achenia with short pubescent tails. Iowa, 111. to Ark. Leaves 

 pinnate, those of the peduncles simple, subsessile. Leaflets ovate, acute or obtuse, 

 often subcordate at base. Sepals of the nodding flower ovate-lanceolate, dull 

 purple, 8 10" in length, the cuspidate point reflexed. Jn. (Hardly distinct 

 from the preceding.) 



9 C. ochroletica Ait. Lvs. simple, ovate, silky, pubescent beneath. Mts. and 

 river banks, N. T. to Ga. Rare: stem 12 18' high, sericious. Leaves sessile, 

 entire, simple, 2-4' long, f as wide, with prominent veins, upper surface at length 

 smooth. Flower terminal, nodding, ovate-campanulate. Sepals silky outside 

 yellowish- white within. Plumes of the fruit long, straw-colored. May. 



