258 



SYNGENE3IA iEQU4.LiS. 



Stern slender, about 2 feet hlgli. Learns on long petioles, the lower 

 ones triangular, with an acuminated point, and the angles at base very 

 acute the upper ones ovate lanceolate, all denticulate, glabrous, and slight- 

 ly glaucous underneath. Flowers in small axillary racemes, in ray spe- 

 cimen not exceeding 3 heads in each raceme which appear to have been 

 noddincr. Invohcrum composed of 5 equal linear leaves, glabrous mem- 

 branaceous at the jnargins, and closely protected at base by smaU ovate 

 imbricate scales. Cfrrolla purple ? i'ee^s glabrous, slightly angled and 



striate. V appus Wny . . , t^ .t , •, 



Collected on the Saluda Mountains by Dr. JMacbnde. 



Flowers September. 



I 



4. ViRGATA. Mich. 

 p. glabra ; caule 



foil is 



Glabrous; stem 



r: leaves all rui 



slmplieissimo ; 



omnibus runciuato-sin J ate and sinuate; 



ra- 



uatis; racemulis subse- | cemes 

 cundis ; floiibus pen 



& 



dulis 



5 



involucris 8-fi 



lly se- 

 flowers pendu- 



8- 



dis, 10-iloris. 



cund 



Ions, invv^i.Av..«-» 



parted^ 10-flowered 



Mich 



Sp. pi. 3. p. 1533. Pursh 2. p. 498 



Root perennial, somewhat tuberous. Stem herbaceous, erect, simple, 

 2—4 feet high, very glabrous. Leaves sessile, semiamplexicaule, deeply 

 sinuate, with the segments on the lower leaves frequently runcinate, and 

 sparingly toothed, the upper leaves narrow, lanceolate. Flowers in a long 

 terminal raceme, composed generally of small branches,bearing commonly 



-4 flowers. Interior leaflets- of the Involucrum 8, oblong, obtuse ann 

 fringed at the summit; florets 10 — 12 in each involucrum. Corolla ligu- 

 late, pale purple. Seeds cylindric, striate, crowned with a scabrous pap- 

 pus. 



Grows in damp pine barrens. 



Flowers October. 



S 



5. Simplex. Pursh. 



P. caule simplicissi 



Stem simple; upper 



mo; foliis superioribus leaves 



linear-Ianceo 



lineari-Ianceolatis, in- | late, entire 

 tegerrimis, radicalibus 



9 



those of 



? 



lanceolatis, sinuatis 



racemo terminali^ sim- ! nal, simple ; 



the root lanceolate^ si 

 nuate ; raceme termi 



flower 



s 



^ 



