25S COMPOSITE. (COMPOSITE FAMILY.) 



ous; achenia broadly winded, circular, slightly 2-toothed, plainly papillose 

 on botli sides. Moiui.;iii;y of Georgia ami Carolina. May - Sept. 



12. C. grandiflora, Nutt. Stem slender, smooth, ascending; leaves 

 elongated; the lowest linear spatulate. on long ciliate petioles; the upper t or- 

 nately or 1 - 2-pinnately parted, the divisions linear ; exterior scales of the 

 involucre ovate-lanceolate ; rays large, 4-5-toothed. Dry soil, Florida, 

 Georgia, and westward. April- June. Stem 8'- 12' high. 



13. C. lanceolata, L. Smoothish; stem short, ascending; leaves un- 

 divided, rarely 2-3-lobed, thick; the lowest spatulate-oblong on long ciliate 

 petioles; the upper lanceolate, sessile; exterior scales of the involucre ovate- 

 lanceo'ate; rays large, strongly 4-5-toothed. (C. crassifolia, Ait., stem and 

 leaves hairy or woolly.) Dry soil, Florida to North Carolina. Mav- June. 

 Stem 6' -12' long. 



<- - Rays yellow: achenia near!'/ stmiyJii, obloiirj, 2-atcneil, /lie tuan/ins iritli a 

 serrulate nr I'fctinate n-inrj (except No. 14) : exterior scales of tie inrolncre 

 sliorter //Kin tlic //i'er/or : (lisle dark purple. 



14. C. Leavenworthii, Torr. & Gray. Smooth; stem dichotomous 

 above ; leaves opposite, linear, entire, or with two lateral lobes ; ravs 3-toothed ; 

 achenia with a broad whitish entire wing, conspicuously 2-toothed. Coast 

 of Florida, and westward. Stem slender, l-2 high. Lower leaves 3' -4' 

 long, 1" wide. Kays 5"- 6" long. 



15. C. gladiata, Walt Smooth; stem terete, naked above, simple, or 

 with few peduncle-like branches ; leaves fleshy, alternate, entire, or rarely 3- 

 lobed ; the lowest ones spatulate-oblong, on long petioles ; the upper small, 

 linear ; heads large ; exterior scales of the involucre small and roundish ; 

 rays showy, 4 -toothed ; wings of the achenia pectinately toothed. Low pine 

 barrens. Sept. -Oct. Stem 2 -3 high. Lowest leaves 8' -10' long. 

 Kays wedge shaped, 1' long. 



16. C. angustifolia, Ait. Smooth; stem slender, 4-angled, dichoto- 

 mouslv branched above ; leaves opposite or alternate, linear, obtuse, entire; 

 the lowest ones spatuLite-lanceolate ; heads small, corymbose ; rays 3 toothed ; 

 wings of the achenia pectinately toothed. Pine barren swamps, in the lower 

 districts. Sept. -Oct. Stem 2 - 3 high. Leaves somewhat fleshy. Kays 

 long- 



17. C. integrifolia, Poir. Smooth; stem terete, corymbosely branched 

 above; leaves opposite, petioled, entire, ovate or oblong, obtuse, the margins 

 scarious and roughish ; heads few, on long peduncles ; exterior scales of the 

 involucre oblong-linear; rays wedge-shaped, palmately 3-lobed; ovary wing- 

 less, with hispid margins. River banks, South Carolina and Georgia. Sept. 



-Stem 2 -3 high. 



H- -i- Rai/s purple or rose-color 



18. C. nudata, Nutt. Smooth; stem slender, forking above; leaves al- 

 ternate, distant, terete and rush-like ; rays bright purple, 3-toothed ; achenia 

 with lacerated wings, 2-awned. Pine barren ponds, Florida and Georgia, 

 near the coast. April. Stem 2 high. Lowest leaves 1 long. Rays \' 

 long. 





