SlNGENfeSIA. StPERTPLUA* 155 



H AB In the salt-marshes of Long Island near New York, 

 and in New Jersey. This species ought perhaps to be 

 transferred to Conyza, to which g-emis it bears a near af- 

 iinity; the female florets bein^ very small, obscure purple, 

 more numerous than the hermaphrodite ones, and arrange 

 ed in a compound series; it is also annual; still it re- 

 sembles in some respects the preceding species, the seed 

 is almost exactly similar. It grows about 2 feet high, 

 and is extremely branched, the branches somewhat fasti- 

 giated; leaves 4 or 5 inches long, 2 to 4 lines wide. 



9. paludosus. Stem simple, leaves linear and subulate, 

 am.plexicaule, erect, entire, and very smooth, margin sca- 

 brous; branches pubescent, axillar and terminal, leafy, 1- 

 flowered; callx large and squarrose. Hab. From Cape 

 May county, N. Jersey, to Florida, on the ^argins of 

 open swamps. Stem 1 to 2 feet high, smooth nearly to the 

 summit, 3 to 5-flowered; flowers very large and elegant, 

 the rays bright blue and numerous. Inner scales of the 

 calix coloured. Pappus as in the preceding, capillary, fer- 

 ruginous, seed also oblong and smooth. 



10. pilosus. 11 * biennis. Low and much branched, 

 subdecumbent, pulverufently pubescent, stem canes- 

 cent; leaves sessile, linear, entire, uniform, points abrupt- 

 ly acute, radical ones spathulate; branches few-flower- 

 ed, flowers subfastigiate; calix imbricate, scales linear- 

 lanceolate, setaceously mucronulate; radial florets about 

 20. Hab. On denudated argillaceous soils, from the 

 Arikarees to Fort Mandan. Flowering from August to 

 October. A. canmcais. Ph. 2. p. 547- Obs. Root bien- 

 nial. Stem about a foot high, numerously and divaricately 

 branched; branches 2 to 5-flowered, more or less. Flow- 

 ers purplish- blue, as large as a Daisy. Scales of the calix 

 in 3 or 4 series, summits greenish and pubescent. Rays 

 entire, longer than the disk. Pappus scabrous. 



12. tenuif alius. A. cricoides. Willd. A. dumosus. Willd. 

 13. midtifiorus. A. ciliatiis. Willd. 14. sparsijlorns. Mich, 

 and Willd. not of Ph. Scarcely distinct from the follow- 

 ing. \5.folioloms. fi.A. coridifolius. Willd. 16. squarro' 

 sus. Leaves cordate, minute, and scabrous. 



17. concolor. Obs. Roots often tuberous in sandy soil. 



18. sericeus. Leaves lanceolate-ovate, sessile, entire, se- 

 riceously tonientose; stem erect, low and slender, upper 

 part branched, branchlets 1-flowered, subfastigiate; calix 

 foliaceous, partly squarrose. Hab. Common over the 

 plains of Upper Louisiana, throughout the Illinois territory 

 to the borders of Lake Michigan, and on all the banks 

 »f the Missisippi nearly to Natchez- A low and truly 



