ORDER 70. COMPOSITE. 451 



Corollas of the disk dark purple, (a) 



a Kay flowers yellow with a purple base. Achenia incurved Nos. 1, 2 



a Ray flowers wholly yellow. Achenia not incurved, 2-awned Nos. 35 



<5 Corollas of the disk yellow. Kays rose-colored. Leaves simple Nos. 6, 7 



| Corollas of the disk and ray all yellow (disk brownish in No. 9). (b) 



b Leaves sessile, divided often so as to appear verttcillate Nos. S 11 



b Leaves petiolate, never serrate, pinnate with lance-linear segments. Nos. 12, 1'i 

 simple, or rarely auricled below... Nos. 1415 



b Leaves petiolate, serrated. simple; achenia awns obsolete Nos. 16 17 



compound. Rays about 8 Nos. 18 W 



Rays wanting No. 21 



1 C. Drummondii Torr. & Gr. Pubescent ; Ivs. pinnately divided, sometimes 

 simple, segments (or leaves) oval, entire ; scales lanceolate-acuminate ; rays un- 

 equally 5-toothed, twice longer than the in vol. ; ach. obovate, incurved, scarcely 

 toothed. CD From Texas. St. 10 to 20' high. Rays large, yellow, with a pur- 

 ple spot at base, f (Calliopsis, Don.) 



/?. ATROSANGUINEA. A garden variety with dark orango fls. f 



2 C. tinctoria Nutt. Glabrous ; Ivs. alternate, radical ones subbipinnate, Ifts. 

 oblong-linear, entire, smooth, cauline subpinnato, Ifts. linear ; rays 3-lobed at the 

 apex, ach. wingless, toothless. A handsome border annual, native of tho upper 

 Missouri. St. 1 to 3f high, with light, smooth foliage. Hds. with yellow rays, 

 beautifully colored with purple at their base. Flowering all summer. -j- (Calliop- 

 sis DC.) 



3 C. gladiata "Walt. Glabrous ; st. terete, Ivs. thickish, alternate, some of them 

 ternately divided, tho lower lance-oblong, long-tapering to a clasping petiole, upper 

 lance-linear, acute; outer scales lance-ovate ; ach. fringed with 2 slender awns. 

 Moist soils in barrens, N. Car. to Fla. St. 2 to 3f high, slender. Hds. several, 

 corymbed ; rays 3-toothed at the dilated apex, yellow ; disk purple. Aug., Sept. 



4 C. angustifolia Ait. Glabrous ; st. square Ivs. opposite, sometimes the lower 

 alternate, undivided, the lower spatulate, long-petiolate, upper linear, spatulate, ob- 

 tuse ; outer scales ovate, obtuse ; ach. wing-fringed, the 2 awns very short. Moist 

 soils, in barrens, N. Car. to Fla. and La. Sts. slender, 2f high. Hds. several, 

 corymbed, with the rsys 3-lobed at the dilated summit. Jn. Sept. 



5 C. CEmleri Ell. Glabrous; st. angular above; Ivs. opposite, or the lower 

 alternate, lance-ovate, narrowed to a clasping petiole, upper lanceolate ; outer 

 scales oblong, obtuse ; ach. margined, ciliate, the 2 awns very short. "W. Ga. and 

 Fla., iisar the Chattahoochee. Sts. 2f high. Lvs. rather thick, entire, the upper 

 always opposite. Jl., Aug. 



G C. nudata Nutt. Glabrous, very slender; Ivs. few, terete, rush-like, alternate, 

 the lower very long ; hds. lew ; outer scales very short, obtuse, inner ovate, 

 acutish ; rays wedge-obovate, unequally crenate-lobed. 2 A curious species, in 

 shady swamps, Ga. and Fla., near Savannah to St. Mary's and Apalachicola. Sts. 

 2 to 3f high. Lvs. 1 to 10' long. Rays somewhat fan-shaped, rose-purple, 



. spreading 20". Apr. Jn. 



7 C. rosea Nutt. St. branched; Ivs. opposite, l-veined, linear, entire, ped. short; 

 outer scales very short; rays oblong, obscurely tridentate. If A very delicate 

 species in wet grounds, Mass. (Dr. Robbins), to N. J. St. slender, erect, 8 to 16' 

 high. Lvs. 1 to 2' long, scarcely 1" wide, clothing the stem. Hds. few, small 

 Rays rose-color, varying to white. Disk light yellow. Jl., Aug. 



8 C. senifolia MX. Minutely downy or glabrous ; Ivs. opposite, ternate, sessile, 

 appearing in whorls of 6 ; Ifts. ovate-lanceolate, sessile, acute, thick ; scales downy, 

 obtuse ; rays oval-oblong, entire. Sandy soils, Va., Ky. to Ga., common. St. 1 

 to 2f high, angular, strict, slender. Rays bright yellow, 1' long. Corollas of 

 the disk yellow. Jl., Aug. 



(3. STELLATA. Lfts. lance-linear, and even linear, mostly glabrous. Ky. and 

 Tenn. Lvs. 2 to 3' long. (C. stellata Nutt.) 



9 C. delphinifolia Lam. Glabrous; Ivs. opposite, sessile, divided into Ifts. which 

 are each again 2 to 5-parted, segm. linear, entire, acute ; disk corollas brown at 

 summit ; outer scales linear, inner ovate, all obtuse ; rays acute. Barrens, Ya. to 

 Fla, and Ala. St. 1 to 2f high. Lfts. 1 to 2' long, 1 to 3" broad. Hds. small. 

 Aug. 



10 C. verticillata L. Glabrous branched Ivs. 3-divided, closely sessile, divisions 



