SYNGENESIA JJECESSARIA 



471 



POLYMNIA. Gen. Pl. 1335. 



Involuci^m double 



Involucrum duplex; 

 exterius 4 — 5 phyllum; I the exterior 4—5 leav- 

 interius 10-phyllum, ed, the interior 



foliolis concavis. 



Re 



ptaculum paleaceum. Receptacle 

 *appus nullus. | Pappus 0. 



10- 



leaved, leaves concave. 



chaffy. 



1. Canadensis. 



P. 



viscido-villosa 



J 





Viscid, villous; leaves 

 denticulate, acuminate 



9 



9 



foliis denticulatis acu- 



minatis. inferioribus j the lower pinnatifid^ 

 pinnatifidis, superiori- the upper three lobed 

 bus trilobis, integrisve. j or entire. 



Sp. pl. 3. p. 2335. Mich. 2. p. 147. Pursh, 2. p. 579- Nutt. 2. p. 



183. ^ 3 r f 



four 



Leaves 



what ovate, thin, slightly scabrous, finely serrate, the upper entire in the 

 outline, the lower becoming deeply lobed and pinnatifid. Flowers in a 

 loose terminal panicle. Peduncles and scales of the involucrum very viscid 

 and villous. Florets of the ray ten, small, yellow. 



Grows in the mountains of Carolina, Dr. Macbride. 



Flowers July — September. 



2. UVEDALIA. 



P. foliis oppositis, I Leaves opposite, 3 

 trilobis, acutis, m peti- | lobed, acute, attenua 

 J^lum decurrentibus, j ted to a petiole, lobes 

 lobis anguloso-sinuatis; angled and sinuate; flo- 



radiis elongatis. 



„ Sp. pi. 3. p. 2335. ,\Valt. p. 2l6. 

 '^att. 2. p. 183. 



rets of the ray long. 



Mich. 2. p. 147. Pursh, 2. p. 579. 



^ot perennial. Stem three to five feet high, terete, slightly sulcate, vil- 

 % scabrous, branches generally ternate. Leaves opposite, sometimes 



