35. Aster Concinnus Willd. Narrow-Leaved Smooth Aster

Fig. 4316

Aster concinnus Willd. Enum. 884. 1809.

Similar to narrow-leaved forms of Aster laevis, and perhaps a race of that species, glabrous, or sparingly pubescent above, not glaucous; stem paniculately branched, 1°-3° high. Leaves light green, lanceolate to linear, entire, or sometimes serrulate, the upper sessile, somewhat clasping, 1'-3 long, the lower and basal ones spatulate, or oblong, narrowed into margined petioles, sometimes coarsely toothed; heads usually numerous, about 10" broad; bracts of the involucre with rhomboid acute herbaceous tips; rays violet to purple.

Woodlands, Connecticut to Pennsylvania, Virginia, North Carolina, Missouri and Arkansas. Sept.-Oct.

35 Aster Concinnus Willd Narrow Leaved Smooth Aste 98735 Aster Concinnus Willd Narrow Leaved Smooth Aste 988

36. Aster Purpuratus Nees. Southern Smooth Aster

Fig. 4317

Aster virgatus Ell. Bot. S. C. & Ga. 2: 353. 1824. Not Moeneh, 1802. A. purpuratus Nees, Gen. & Sp. Ast. 118. 1832.

Stem slender, glabrous, simple, or branched above, 1 1/2°-3° high, the branches sometimes pu-berulent. Leaves firm, glabrous, dark green, entire, the upper sessile and clasping at the base, elongated-lanceolate or linear-lanceolate, acuminate, 2r-6' long, 2"-4" wide, the lower and basal ones petioled, oblong-lanceolate, obtusish, those of the branches very small; heads rather few, loosely paniculate, 8"-12" broad; involucre campanulate to turbinate, its bracts coriaceous, linear, appressed, green-tipped, acute, imbricated in several series, the outer shorter; rays 5-10, blue or violet, 3"-5" long, pappus tawny; achenes glabrous.

Virginia and West Virginia to Georgia and Texas. Aug.-Sept.

37. Aster Junceus Ait. Rush Aster

Fig. 4318

Aster junceus Ait. Hort. Kew. 3: 204. 1789.

Aster longulus Sheldon, Bull. Geol. Surv. Minn. 9: 18, pl. 2. 1894.

Aster junciformis Rydb. Bull. Torr. Club 37: 142. 1910.

Stem very slender, glabrous, or pubescent above, simple or little branched, 1°-3° high. Leaves firm, glabrous, roughish-margined, narrowly linear, entire or sometimes with a few distant teeth, acute or acuminate at the apex, sessile by a broad clasping and often slightly cordate base, 3'-6' long, 1 1/2"-4" wide; heads paniculate, rather distant, about 1' broad; involucre hemispheric, about 3" high, its bracts glabrous, linear-subulate, very acute, imbricated in 3 or 4 series, the outer shorter; rays violet to white, 4"-5" long; pappus pale.

In swamps and bogs, Nova Scotia to British Columbia, New Jersey, Ohio, Wisconsin and Colorado. July-Sept.

37 Aster Junceus Ait Rush Aster 98937 Aster Junceus Ait Rush Aster 990

38. Aster Adscendens Lindl. Western Aster

Fig. 4319

A. adscendens Lindl.; Hook. Fl. Bor. Am. 2: 8. 1834.

Stem slender, rigid, glabrous, or sparingly hirsute-pubescent, branched or simple, 6'-2° high. Leaves firm, entire, rough-margined, sometimes ciliolate, those of the stem linear-lanceolate or linear-oblong, acute or obtusish, 1'-3' long, 2"-5" wide, sessile by a more or less clasping base; basal leaves spatulate, narrowed into short petioles; heads not numerous, about 1' broad; involucre hemispheric, its bracts imbricated in 3-5 series, oblong-linear or spatulate, their tips obtuse or obtusish, slightly spreading, the inner often mucronulate; pappus nearly white; achenes pubescent.

On prairies and moist banks, western Nebraska to Wyoming, Montana, Assiniboia, Colorado, New Mexico and Nevada. July-Sept.