OEDEB 70. COMPOSITE. 451 



Corollas of the disk dark purple, (a) 



a R:iy flowers yellow with a purple base. Achenia incurved Nos. 1,3 



a Ray flowers wholly yellow. Achenia not incurved, 2-awncd Nos. 3 !> 



| Corollas of the disk yellow. Kays rose-colored. Leaves simple Nos. C, T 



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



b Leaves sessile, divided often so as to appear verticillate Nos. S 1 1 



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

 simple, or rarely auricled below... Nos. 14 lli 



b Lea ves petiolate, serrated. simple ; uchenia awns obsolete Nos. 16 17 



compound. Rays about 8 Nos. IS 'in 



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-tootJied, twice longer than the invol. ; ach. obovate, incurved, scarcely 

 toothed. D 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 orange fls. f 



2 C. tinctoria Nutt. Glabrous ; Ivs. alternate, radical ones subbipinnale, Ifls. 

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

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

 Missouri. St. 1 to 3f high, with light, smooth foliage. lids, 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 

 ternatdy divided, the 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, lids, 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. S-ts. slender, 2f high. Hds. several, 

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



5 C. CBmleri Ell. Glabrous ; st. angular above ; Ivs. opposite, or tlio 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., near the Chattahoochee. Sta. 2f high. Lvs. rather thick, entire, the upper 

 always opposite. JL, Aug. 



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

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

 acutish; rays wedge-obovate, unequally crenate-lobed. U 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. 



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

 outer scales very short; rays oblong, obscurely tridentate. U A very delicato 

 species in wet grounds, Mass. (Dr. Robbins), to N. J. St. slender, erect, 8 to 1C' 

 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 G ; 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, Va. 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 



