CICUORACE.E. 130 



the margin. Receptacle nakcil. Florets perfect. Seeds 

 smooth, pappus simple, stipitate. 



1. L. I' , \.A. S^m {jinhrous. /.f(ii<'5 long, smooth beneath, the low- 

 er ono" I 'c, aniplexicaule, entire, toothed, the upper ones hmceolnte ; 

 i:v wubricate, relleeted wiien olil ; florets nmncrous. Flowers in 

 c^ -c panicles, ^ti/j; oonipresscti, paj^jpus stipitate, hairy. Fire uxcd. 



Yellow. %. July— September. 4-7 feet. 



2. L. Gramixifolia. Stem erect, siniple, glabrous. Lfairs sessile, long:, 

 iai>rrinp to an acute point, narrow, sometmies aniplexicaule, usually undivi- 

 ded. Fluurrs m loose, leafless panicles. Z^t/tes of tiie involucre subulate. 

 Se^ds compressed, lanceolate 



Purple. %. ? April— September. In dry soils. 



3. L. SAGiTTiFOLtA. Stem erect, terete, glabrous. Leaves sessile, sagittate, 

 tapering towards tlie apex, entire, glabrous. Flowers in loose, terminal pani- 

 cles ; involucre with glabrous, subulate leaves. Seed compressed, pappus 

 hairv. 



'Yellow. %. July— Sept. Middle Carolina. 4-6 feet. 



4. L. ViLLOSA iir;(/jV/c /catr.s slightly runcinate, spatulatc, ovate, som^ 

 times angled, acutely toothed. Petiole winged, upper surface glabrous, low- 

 er pubescent. Cauline /eaucs ovate, acuminate, toothed in the middle, petioli'd. 



Sonchus aeumiiuitus of Ell. 

 Purple. %. August — September. Rich soils 



Gexus VII. BORKHAUSIA. 



Involucre many leaved, with a dorsal tooth near the sum- 

 mit, surrounded at the base with a few short subulate scales. 

 Paj>;>uj> hairy, stipitate. Reccjjtacle nixkcd. Fiords perfect. 



1. B- Caroliniana. Stem erect, few flowered, pubescent* towards the 

 summit. leaves oblong-lanceolate, old ones pinnatitid. pubescent along the 

 margins, narrow. Flowers few, solitary, on the summit of the branches ; 

 florets numerous, iieed compressed, striate. 

 Yellow. '1\. March— July. Common. 



Genus VIII. SONCHUS. 



Involucre many leaved, imbricate, connivant at the summit. 

 Florets perfect. Receptacle pitted, naked, or scabrous. — 

 Stigma hispid. Pappus hairy. 



1. S. Oleraceus. Stem terete, fistulous, succulent, glabrous, branching, 

 Lcarei oblong-lanceolate, aniplexicaule, sinuate, pinnatifid, segments acute, 

 alii^hiiy toothed. F'louers in axillary umbels, with tomentose spots on the 

 peduncles. See^i oblong compressed, sulcata. ^^ow Thistle. 



Yellow. March — July. Common. 



2. S. Macrgphvllus. Stem erect. Leaves lyrate, pubescent, and his- 

 pid on the under surface, cordate at the base, large. Flovxrs in panicles. 

 I'tduiicles hirsute. 



Blue. % August — Sept. In shaded, damp soils. 4-7 feet. 



3. S. Floridaxus. Stem erect, glabrous. Leaves narrow, lanceolate, ly- 

 rate, sometimes with 1 or two runcinate segments, acutely denLculate. 

 FlomT.t in long slender panicles. Peduncles scabrous. 



Blue. 7^ July— Sept. Upper districts Car. and Ga. ^-5 feet. 



4. S. Carolinia^vus. Stem erect, glabrous, fistulous. Leaves lanccolafiB 

 acut • '""'''fd, undulate, auriculate, somewhat clasping at the base Flmo- 

 ers'.- and terminal umbels. .bVeti compressed, striate. Fappns scsa\\Q. 



iLi.wo. O March — Apnl. In river swamps. 1-3 ft. 



