156 SY.VGENESIA. Si;rERlLI;A. 



herbaceous, but very elegant species; flowers larg-e, bright 

 ^violet-purple. Stem 12 to'18 inches high. 



19. *mo?ita7ius. Leaves linear-lanceohite, sessile, entire, 

 subsericeously villous, ol)S()letely 3-nerved; stem erect 

 and somewhat slender; branches 1-flowered; calix folia- 

 ceous, hemispherical, leaflets linear-lanceolate, acute and 

 erect. Hab. On tlie mountains of Tennessee and North 

 Carolina; rare. (Near Ashville and Morg-anton.) Nearly 

 allied to the preceding, but distinct. Stem often perfectly 

 simple, also branched, 1 to 2 ft-et high, branches not fas- 

 tigiate, shorter than the summit. Leaves not tomentose, 

 scarcely canescent. Flowers viojet -purple, twice the size 

 of the preceding, somewhat exceeding tiiose of ^1. gran- 

 difloms, and containing about 25 rays. \r\ tl)e preceding the 

 rays are from 18 to 20. 20. reticulatiis. Ph. 



21. saiicifolivs. 22. astivus. 23. ncvce angUie, y. spii- 

 r:us, Persoon, is tlie natural aspect. Leaves lanceolate, 

 amplexicaule, en' ire, auriculate at the base; stem pilose 

 and paniculate; branchlets mostly 1-flowered, subfastigiate; 

 scales of the calix loose, linear-lanceolate, about equal with 

 the disk. Hab. From Canada to Pennsylvania, I his is 

 the plant commonly misnamed ..•3. grandifioms. Flowers 

 large, and of a deep purplish-blue; rays very numerous 

 and linear. Stem 4 to 6 feet. 



24. cymieiis. 25. grandifLorii^.. 26. caroUnianns. Stem 

 trailing shrubby -or suffruiicose. vSeed oblong, smooth, 10- 

 striate; pappus: reddish. 



27. * oblojigiJoUns. Herbaceous; stem and leaves mi- 

 nutely scabrous; leaves sublanceolate-oblong, partly am= 

 plexicaule, without pubescence; stem low and divaricately 

 branched, branchlets 1 orfew-nowered, subfastigiate; ca- 

 lix hemispherical, foliaceous, and ."?quarrose, leaflets li- 

 near-oblong, acute. IIau. On the banks of the Missouri. 

 Stem scarcely more than 12 inches high, compoundly and 

 rigidly branched; leaves of the branchlets smaller, all ap- 

 pearing smooth and partly obtuse, but scabrous to the 

 touch; flowers terminal as in A. biermi.'^, pale purple, mid- 

 dle sized, smaller than those of .9. carolinianm, to which 

 species it appears distinctly allied; calix remarkably folia- 

 ceous, sc.ibi-ously glandular. Seed villous. 28. phlogl- 

 f'Mus. 29- patens. 



f t Leaves cordate and ovate,- serrate^ 



50. vndulatns. A.diversifolins. Mich. 2. p. 113. 31. SH- 

 gittifotins. 32. paniculatus. Scarcely different from No. 30. 

 .'>3. cordi/oliiis. Jl. keteroph-jHus. Vy^illd. o4. cori/mbosiis^ 



35. macrophvUcK. 



