Coreopsis. COMPOSITiE. 293 



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

 brous : leaves thickish, oliloug, or tlie lower oval-obovate and the upper oblong-lanceolate, 

 ofteu all entire, some not rarely with 2 or even 4 small lanceolate lateral lobes or divisions : 

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

 Suppl. 630. C. aurictthita, ISchk. Ilaudb. t. 260; DC. Prodr. 1. c. ; Torr. & Gray, Fl. ii. 343, 

 in part (7 & 5), and of old gardens. Leacbia trifoliuta, Cass.? — Virginia to S. Illinois, 

 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. c. 



H— H— Wings of the akene narrow, strongly involute and callous-thickened at maturity. 

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

 foot or so high, including the 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 Imt the upper sleuder-petioled : head comparatively small : rays little more than 

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

 (Pluk. Aim. t. 242, f. 4, and perhaps t. 83, f. 5 ; Moris. Hist. Jii. sect. 6, t. 3, f. 45) ; Michx. Fl. 

 ii. 138; Ell. 1. c. (var. lUverstfoUa) , Torr. & Gray, 1. c, as to typical form, but the akenes 

 were then unknown. C. diversifoha, DC. Prodr. v. 571, excl. syn. — Wooded ground, 

 Virginia and Kentucky to the borders of Florida. 



§ 3. EucoREOPSis. Style-tips produced into a cusp or acute cone : akenes 

 straight or little incurved, oblong, with narrow wing or none ; no calh' 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. & Gray, FL, excl. Leachia. 



* Perennials, mostly low (a foot or two high'*, leafy to the summit: leaves sessile, palmately 

 divided or cleft, but never serrate, not veniy: involucre becoming rigid, its bracts all united 

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

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

 margined: pappus 2-tootlied or 2-aristeIlate, or obsolete: stems and branches striate-angled 

 when dry. — § Gyrophyllum, Nutt. 



-I— Leaves 3-cleft to or below the middle, but not to the base, which has a 3-nerved midrib. 

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

 undivided basal portion httle wider than the rather broadly linear lobes, which are either 

 simple or again 1-3-lobed, the margins scabrous : rays obovate-oblong : akenes oblong. — 

 Gen. ii. 573 ; Torr. & Gray, Fl. ii. 342. C. pauciflora, Lehm. Ind. Sem. Hort. Ilamb. 1833, 

 & Linn. x. Suppl. 76. C. prcecox, Fresenius, Ind. Sem. Hort. Fraucf. 1838. Calliopsis pal- 

 mata, Spreng. Syst. iii. 611.— Plains and prairies, Wiimipeg and Wisconsin to Illinois, 

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



•i— H— 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. verticillata, L Glabrous, slender; leaves 2-3-ternately dissected into very narrowly 

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

 akenes obovate-cuneiform. — Spec. ii. 907; Lam. Diet. ii. 108 ; Michx 1. c. (var. lenui/hlia) ; 

 Torr. & Gray, 1. c. C. tenuifolia, Ehrh. Beitr. vii. 168 ; Willd. Spec, iii 2252 ; Scbk. Handb. 

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

 to upper parts of Carolina and Arkansas. 



C. delphinifolia. Lam. 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. 0. C. verticillata, Ehrh. 1. c. ; Willd. 1. c. ; Bot. Mag. t. 156 ; Schk. Handb. t. 260. C ver- 

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

 of Florida. 



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

 3 coninionly oblong-lanceolate or ovate-lanceolate and entire sessile divisions (of 1^ to 3^ 



