COMPOSITE. 293 



C. pubescens, Ell. Taller, 1 to 4 feet high, more leafy, from pubescent to nearly gla- 

 brous : leaves thiekish, oblong, or the lower oval-obovate and the upper oblong-lanceolate, 

 often aU entire, sume not rarely with 2 or even 4 small lanceolate lateral lobes or divisions : 

 heads usually smaller than in the preceding: akenes similar. — bk. ii. 441; Cliapm. Fl. 

 Suppl. 630. C. auricidata, Schk. HauJb. t. 260 ; DC. Prodr. 1. c. ; Torr. & Gray, Fl. ii. 343, 

 in part (7 & S), and of old gardens. Leachia trifoUata, Cass.? — Virginia to S. Ilhuois, 

 Missouri, and south to Florida. In the middle or low country southward only a slender 

 form, usually with lateral lobes to upper leaves ; in the mountains a larger plant in all its 

 parts, with larger leaves 3 to 5 inches long, 1 or 2 inches wide, all entire, or a few 3-parted, 

 the var. 7, Torr. & Gray, Fl. 1. o. 



-1— -1— Wings of the akene narrow, strongly involute and callous-thickened at maturiry. 

 C. auriculata, L. Low and weak, stoloniferous, below commonly viUous-hirsute : stems a 

 foot or so high, including tlie long and slender peduncle, often simple : leaves of few pairs, 

 ovate to round-oval, only an inch or so long, entire and some with a pair of smaller basal 

 lobes, all but the upper slender-petioled : head comparatively small : rays little more than 

 half-inch long : akenes by involution of margins oblong and umbilicate. — Spec. ii. 908 

 (Pluk. Aim. t. 242, f. 4, and perhaps t. 83, f. j ; Jloris. Hist. iii. sect. 6, t. 3, f. 4.5) ; Jlichx. Fl. 

 ii. 138; Ell. 1. c. (var. d irersi folia] , Torr. & fJray, 1. c, as to typical form, but the akenes 

 were theu unkno^vn. C. dirersifoha, DC. Prodr. r. 571, excl. syu. — Wooded ground, 

 Virginia and Kentucky to the borders of Florida. 



§ 3. EucOREOPSis. Style-tips produced into a cusp or acute cone : atenes 

 straight or little incurved, oblong, with narrow wing or none ; no calli on the 

 inner face : rays mostly entire or slightly toothed (yet sometimes 2-3-cleft) at the 

 apex, pure yellow : disk-corollas yellow (sometimes dull, rarely turning brown) : 

 leaves opposite, in some seemingly verticillate. — Torr. & Graj-, FL, excl. Leachia. 



* Perennials, mostly low (a foot or two hijjh^, leaf;' to the summit; leaves sessile, palmately 

 divided or cleft, but never serrate, not veiny; involucre becoming rigid, its bracts all united 

 at the base; outer oblong-linear, erect, about the length of the inner: rays from obloufj to 

 lanceolate : chaff of the receptacle linear-filiform and persistent: akenes oblong, narrowly wing- 

 margined : pappus 2-toothed or 2-aristellate, or obsolete : stems and branches striate-angled 

 when dry. — § Gyrophyllum, Nutt. 



-4— Leaves 3-cle£t to or below the middle, but not to the base, which has a 3-nerved midrib. 



'C. palmata, Ndtt. Glabrous, rigid: stem nearly simple: leaves cuneiform in outline; the 

 undivided basal portion little wider than the rather broadly linear lobes, wliich are either 

 simple or again I-3-lobed, the margins scabrous : rays obovate-oblong : akenes oblong. — 

 Gen. ii. 573 ; Torr. & Gray, Fl. ii. 342. C. pauciflora, Lehm. Ind. Sem. Hort. Hamb. 1 833, 

 & Linn. x. Supph 76. C /Jrcecoj-, Fresenius, Ind. Sem. Hort. Francf. 1 838. Calliopsis pal- 

 mata, Spreng. Syst. iii. 611. — Plains aud prairies, Winnipeg and Wisconsin to Illiuois, 

 Louisiana, and W. Texas ; first coll. by Nuttall. 



^_ ^_ Leaves divided to the base, the pair thus imitating a whorl of six, or the uppermost simple, 

 rarely some of the lower also simple. 



- C. verticDlata, L Glabrous, slender ; leaves 2-3-temately dissected into very narrowly 

 linear or nearly filiform lobes : heads small : rays narrowly oblong .- disk-corollas dull yellow ; 

 akenes obovate-cuneiform. — Spec. ii. 907 ; Lam. Diet. ii. 108 , Michx 1. c. (var. lenuifuliu) ; 

 Torr. & Gray, 1. c. C. teiiuifoUa, Ehrh. Beitr. -vii. 168 ; Willd. Spec, iii 2252 ; Schk. Handb. 

 t. 260 ; Bart. Fl. Am. Sept. t. 73 ; DC. 1. c. — Moist ground. Upper Canada and JIaryland 

 to upper parts of Carolina and Arkansas. 

 C. delpMnif olia, Laji. Stouter than the preceding : divisions of the leaves fewer and 

 wider ; the middle one once or its midlobe again 3-parted, lateral ones 2-parted or simple ; 

 lobes all linear, 2 lines wide : disk-flowers brown ! —Diet. ii. 108 ; DC. 1. c. , Torr. & Gray. 

 1. c. C. verticillata, Ehrh. 1. c. ; Willd. 1. c. ; Bot. Mag. 1. 156 ; Schk. Handb. t. 260. V ver- 

 ticillata, var. linearis, Michx. 1. c. — Pine woods, &c., Virginia to Alabama and the borders 

 of Florida. 



. senifolia Micux. Stem stouter and often taller (2 or 3 feet high) : leaves divided into 

 3 commonl}' oblong-lanceolate or ovate-lanceolate and entire sessUe divisions (of Ij to 3^ 



