46. Aster Grandiflorus L. Large-Flowered Aster

Fig. 4327

Aster grandiflorus L. Sp. Pl. 877. 1753.

Stem rather stiff, divaricately much branched, hispid with short hairs, 1°-21/2° 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"-5" 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 1' long, \\" wide; pappus brownish; 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, 1°-2° high. Leaves firm, thickish, the basal and lower ones oval, acute or acutish, 3'-5' long, l'-l1/2' wide, sparingly dentate with low teeth, narrowed at the base into slender petioles; upper leaves sessile, entire or very nearly so, acute, linear-oblong; heads several or numerous, about 1 1/2' broad, corymbose, very showy; involucre nearly hemispheric, 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"-10" long; pappus whitish; achenes slightly pubescent.

In dry sandy soil, Massachusetts to Delaware, mostly near the coast. Aug.-Oct.

47 Aster Spectabilis Ait Low Showy Aster Seaside P 99947 Aster Spectabilis Ait Low Showy Aster Seaside P 1000

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, 10'-18' 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 sometimes solitary, about 15" broad; involucre tur-binate-hemispheric, its bracts coriaceous, imbricated in about 5 series, ciliate, but scarcely glandular, their green tips spreading; rays 15-30, violet; pappus whitish; achenes nearly glabrous.

In sandy or gravelly soil, Kentucky, North Carolina and Georgia. Erroneously reported from New Jersey. Sept.-Oct.

49. Aster Gracilis Nutt Slender Or Tuber Aster

Fig. 4330

Aster gracilis Nutt. Gen. 2: 158. 1818.

Stem slender, finely puberulent and scabrous, corymbosely branched above, 1°-1 1/2° high. Leaves minutely scabrous, the basal and lower ones oval, acute or obtusish, 2'-3' long, 4"-8" wide, dentate, narrowed into slender petioles; upper leaves linear, linear-oblong, or slightly oblanceolate, acute, entire, sessile or a little clasping; heads usually numerous, 6"-10" broad; involucre narrowly turbinate, its bracts coriaceous, glabrous or very nearly so, imbricated in about 5 series, their tips green and spreading, obtusish; rays 9-15, violet, 3"-4 1/2" long; pappus nearly white; achenes minutely pubescent.

In dry sandy soil, New Jersey to Kentucky, Tennessee and South Carolina. Rootstock tuberous-thickened. July-Sept.

49 Aster Gracilis Nutt Slender Or Tuber Aster 100149 Aster Gracilis Nutt Slender Or Tuber Aster 1002