COMPOSITAE. 



VOL. III. 



46. Aster grandiflorus L. Large- 

 flowered Aster. Fig. 4327. 



Aster grandiflorus L. Sp. PI. 877. 1753. 



Stem rather stiff, divaricately much branched, 

 hispid with short hairs, i-2i high. Leaves 

 oblong, linear, or somewhat spatulate, rigid, 

 sessile by a broad, sometimes slightly clasping 

 base, reflexed, entire, obtusish, hispid, the 

 larger 2' long and 4" wide, those of the branches 

 very numerous, 2"-$" long; heads about 2' 

 broad, terminating the branches ; involucre 

 hemispheric, its bracts very squarrose and 

 foliaceous, imbricated in 5-7 series, linear, or 

 linear-oblong, glandular, the outer obtusish, 

 the inner acute; rays very numerous, deep 

 violet, nearly i' long, \\" wide; pappus brown- 

 ish ; achenes ribbed, canescent. 



In dry soil, Virginia, east of the mountains, to 

 Florida. Sept. 



47. Aster spectabilis Ait. Low showy 



Aster. Seaside Purple Aster. 



Fig. 4328. 



Aster spectabilis Ait. Hort. Kew. 3: 209. 1789. 



Stem stiff, simple, or corymbosely branched 

 above, puberulent, or rough below, more or 

 less glandular above, i-2 high. Leaves firm, 

 thickish, the basal and lower ones oval, acute 

 or acutish, 3'-s' long, i'-ii' wide, sparingly 

 dentate with low teeth, narrowed at the base 

 into slender petioles; upper leaves sessile, en- 

 tire or very nearly so, acute, linear-oblong; 

 heads several or numerous, about li' broad, 

 corymbose, very showy ; involucre nearly hemi- 

 spheric, its bracts linear-oblong or slightly 

 spatulate, glandular, viscid, imbricated in about 

 5 series, their green obtusish tips spreading ; 

 rays 15-30, bright violet, 6"-io" long; pappus 

 whitish; achenes slightly pubescent. 



In dry sandy soil, Massachusetts to Delaware, 

 mostly near the coast. Aug.-Oct. 



48. Aster surculosus Michx. Creeping 

 Aster. Fig. 4329. 



Aster surculosus Michx. Fl. Bor. Am. 2 : 112. 1803. 



Stem slender, from elongated-filiform root- 

 stocks, minutely scabrous-pubescent, io'-i8' 

 high, corymbosely branched above. Leaves 

 firm, lanceolate or linear, the lower petioled, 

 2'-3' long, 4"-8" wide, rough-margined, slightly 

 scabrous above, sparingly dentate, the upper 

 narrower, sessile, entire; heads few, or some- 

 times solitary, about 15" broad; involucre tur- 

 binate-hemispheric, its bracts coriaceous, im- 

 bricated in about 5 series, ciliate, but scarcely 

 glandular, their green tips spreading; rays 15- 

 30, violet ; pappus whitish ; achenes nearly gla- 

 brous. 



In sandy or gravelly soil, Kentucky, North Caro- 

 lina and Georgia. Erroneously reported from New 

 Jersey. Sept.-Oct. 



