Coreopsis. COMPOSITE. 293 



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

 brous : leaves thitkish, oblong, or tlie lower oval-obovate and the upjjcr oblong-lanceolate, 

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

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

 Suppl. 630. C. auriculata, 8chk. Ilandb. t. 2G0; DC. Prodr. 1. c. ; Torr. & (iray, Fl. ii. 343, 

 in part (7 & S), and of old gardens. Lcarlua trifoliata, Cass.? — Virginia to S. Illinois, 

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

 form, usually with lateral lobes to upper leaves; in the mountains a larger jilant 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. 



-i— -i— Wings of the akeue 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 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. 5 ; Moris. Hist. iii. sect. 6, t. 3, f. 4.5) ; IMichx. Fl. 

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

 were then unknown. C diversifolia, D(-". Prodr. v. 571, excl. syn. — Wooded ground, 

 Virginia and Kentucky to the borders of Florida. 



§ 3. EucOREOPSTS. Stvle-tips produced into a cusp or acute cone ; akenes 

 strai<^lit 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. & Gray, Fl., excl. Leachia. 



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

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

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

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

 margined : pappus 2-tootlied or 2-aristellate, or obsolete: stems and branches strJate-angled 

 when dry. — § Gyruphyllum, Nutt. 



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

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

 undivided basal portion little wider than the rather broadly linear lobes, which 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. Ilamb. 1833, 

 & Linn. x. Suppl. 76. C. prcEcor, Fresenius, Ind. Sem. Hort. Francf. 1838. CaHlops'is pal- 

 mata, Spreng. Syst. iii. 611. — Plains and ])ralrles, Winnlpjeg 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 dis.sected into very narrowly 

 linear or nearly filiform lobes, beads small : rays narrowly oblong, disk-corollas dull yellow : 

 akenes obovate-cuneiform. — Spec. ii. 007; Lam. Diet. ii. 108; IVlichx 1. c. (var. tenuijului) ; 

 Bart. Fl. Am. Sept. t. 73; Torr. & Gray, 1. c. C. tenuifolla, Ehrh. Beitr. vii. 168; Willd. 

 Spec. iii. 2252 ; Schk. Handb. t. 260 ; Dd 1. c. — Moist ground. Upper Canada and Maryland 

 to upper parts of Carolma and Arkansas. 



C. delphinifolia, Lam. Stouter than the preceding: divisicnis of the leaves fewer and 

 wider; the; middle one once or its midlobe again 3-parted, lateral ones 2-partoJ 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. Ilandb. t. 260. C ver- 

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

 of Florida. 



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

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



