COMPOSITAE. 



[Vol. III. 



25. Aster phlogifolius Muhl. Thin- 

 leaved Purple Aster. (Fig. 3759.) 



A. phlogifolius Muhl. ; Willd. Sp. PI. 3: 2034. 1804. 

 Aster patens var. phlogifolius Nees, Gen. & Sp. 

 Ast. 49. 1832. 



Similar to the preceding species, usually taller. 

 Leaves larger, lanceolate to oblong-lanceolate, 

 entire, thin or membranous, acuminate at the 

 apex, strongly auriculate-clasping at the base, 

 roughish above, pubescent beneath, usually 

 narrowed below the middle, sometimes 6' long; 

 heads usually numerous, \'-i' broad, panicled, 

 or somewhat racemose on the branches; bracts 

 of the involucre lanceolate, glabrate, rather 

 loose, with herbaceous tips; rays numerous, 

 purple-blue. 



In woods and thickets, New York to Ohio, North 

 Carolina and Tennessee. Aug.-Sept. 



26. Aster Novae-Angliae L. New 



England Aster. (Fig. 3760.) 



Aster Novae-Angliae L. Sp. PI. 875. 1753. 



A. roseus Desf. Cat. Hort. Paris, Ed. 3, 401. 181 2. 



Stem stout, hispid pubescent, corymbosely 

 branched above, 2-8 high, very leafy. 

 Leaves lanceolate, entire, rather thin, acute, 

 pubescent, 2 / -5 / long, 6 // -i2 // wide, clasping 

 the stem by an auriculate or broadly cordate 

 base; heads numerous, i / -2 / broad, clustered 

 at the ends of the branches; involucre hemis- 

 pheric, its bracts linear-subulate, somewhat 

 unequal, green, spreading, pubescent and 

 more or less glandular, viscid; rays 40-50, 

 linear, s'MJ" long, violet- purple, rarely pink 

 or red, or white; achenes pubescent; pappus 

 reddish-white. 



In fields and along swamps, Quebec to the 

 Northwest Territory, south to South Carolina. 

 Missouri, Kansas and Colorado. One of the most 

 beautiful of the genus. Aug.-Oct. 



27. Aster oblongifolius Nutt. Aro- 

 matic Aster. (Fig. 3761.) 



Aster oblongifolius Nutt. Gen. 2: 156. 1S1S. 

 Aster oblongifolius var. rigidulus A. Gray, Syn. 

 Fl. 1. Part 2, 179. 1884. 



Stem much branched, hirsute-pubescent, 

 i-2^ high, the branches divaricate or as- 

 cending. Leaves crowded, oblong, or oblong- 

 lanceolate, sessile by a broad, partly clasping 

 base, usually rigid, entire, acute or mucronu- 

 late at the apex, rough or hispidulous on both 

 sides, rough-margined, those of the stem i / -2 / 

 long, 2 // -4 // wide, those of the branches gradu- 

 ally smaller; heads corymbose, nearly 1/ 

 broad; involucre hemispheric, its bracts much 

 imbricated, glandular, aromatic, linear or lin- 

 ear-oblong, the acute green tips spreading; rays 

 20-30, violet-purple, rarely rose-pink, 3"-5" 

 long; pappus light brown; achenes canescent. 

 On prairies and bluffs, central Pennsylvania to 

 Minnesota and Nebraska, south to Virginia, Ten- 

 nessee and Texas. Plant odorous. Aug.-Oct. 



