ORDER 1. RAXtTXCULACE^L 201 



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

 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- 

 somf 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. ternaie ; Ifts. smooth, lobed, and cat-dentate. A common, 

 hardy climber in hedges and thickets, Can. to Ga. and the Miss. Stem 8-15 hi 

 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 (caudaa), appearing hi large, downy tufts. Aug.f 



3 C. holosericea 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 the stamens. Achenia long-plumed. 



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

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

 lary, divaricately forked cymes, small, mostly 5 $ . Sepals linear oblong. Fila- 

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

 plumed. 



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

 variable), acute, sinooth, 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-shaped, bluish purple flower. Achenia 

 with short (6 9") pubescent tails. Apr. May. 



ft. 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. Wdlttri. Slender throughout. Leaflets 3 5, very narrow, acute at each end. 



Sepals narrow and scarcely wavy. Stamens 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., Lav (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 !' loug- 

 Achenia with long silky tails. Apr. 



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

 and leather}' ; 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 14-' 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. ochroleuca Ait. Lvs. simple, ovate, silky, pubescent beneath. Mts. and 

 river banks, K T. to Ga. Rare; stem 1218' 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. 



