42. Aster Phyllodes Rydb. Large-Bracted Aster

Fig. 4323

Aster phyllodes Rydb. Bull. Torn Club 37: 145. 1910.

Stem rather slender, somewhat branched, loosely pubescent, 2°s° high. Leaves oblong-lanceolate, entire, or sparingly low-dentate, the larger 4' long or less, 1/2'-1' wide, acute or acutish at the apex, narrowed to a subcordate and slightly clasping base, rough-margined, glabrous on both sides; heads leafy-paniculate, about 1' broad; involucre hemispheric, its bracts narrowly oblong, foliaceous, acute; rays purplish; achenes pubescent.

Wet grounds, western Nebraska and eastern Colorado. Aug.-Sept. Included in A. foliaceus Lindl. in our first edition.

43. Aster Sericeus Vent. Western Silvery Or Silky Aster

Fig. 4324

Aster sericeus Vent. Hort. Cels, pl. 33. 1800.

Aster argenteus Michx. Fl. Bor. Am. 2: til. 1803.

Stem slender, paniculately or corymbosely branched, stiff, glabrous, leafy, 1°-2° high. Stem leaves sessile, with a broad base, oblong, entire, mucronate, 1/2'-1 1/2' long, 2"-5" wide, erect or ascending, with a dense silvery-white silky pubescence on both sides; basal and lowest leaves oblanceolate, narrowed into margined petioles; heads numerous, about 1 1/2 broad; involucre turbinate, its bracts oblong, or the inner lanceolate, canescent, imbricated in 3 or 4 series, their tips green, acute, spreading; rays 15-25, violet-blue, 6"-8" long; pappus tawny; achenes glabrous.

In dry open soil, Illinois to Minnesota, Manitoba, South Dakota, Tennessee, Missouri and Texas. Aug.-Scpt.

43 Aster Sericeus Vent Western Silvery Or Silky As 99543 Aster Sericeus Vent Western Silvery Or Silky As 996

44. Aster Concolor L. Eastern Silvery Aster

Fig. 4325

Aster concolor L. Sp. Pl. Ed. 2, 1228. 1763.

Stem slender, glabrous, or pubescent above, 1°-2 1/2° high, leafy, simple, or with few erect branches. Leaves oblong or linear-oblong, finely and densely canescent on both sides, or the lower glabrate, sessile, obtuse or mucronate, 1Y-2' long; heads numerous in an elongated narrow raceme resembling Laciuaria; involucre broadly turbinate, its bracts linear or linear-oblong, appressed, canescent, imbricated in 4 or 5 series, their tips green, acute, the outer shorter; rays 10-15, lilac, 3"-4" long; pappus tawny; achenes villous.

In dry sandy soil, eastern Massachusetts and Rhode Island to Florida, Tennessee and Louisiana, mostly near the coast. Lilac-flowered aster. Aug.-Oct.

45. Aster Fendleri A. Gray. Fendler's Aster

Fig. 4326

Aster Fendleri A. Gray, Mem. Am. Acad. (II) 4: 66. 1849.

Aster Nuttallii var. Fendleri A. Gray, Pac. R. R. Rep. 4: 97. 1856.

Stems several or solitary from thick woody roots, rigid, hirsute, 6'-12' high. Leaves linear, rigid, 1-nerved, acute or acuminate, 8"-15" long, 1"-1 1/2" wide, glabrous on both sides, but the margins bristly-ciliate; heads usually few and racemose, 1/2'-1' broad; involucre turbinate, its bracts glandular, linear-oblong, imbricated in about 4 series, the inner acute, the outer shorter and obtuse; rays 10-15, violet, 3"-5" long.

In dry soil on the plains, Nebraska and Kansas to Colorado and New Mexico. Aug.-Sept.

45 Aster Fendleri A Gray Fendler s Aster 99745 Aster Fendleri A Gray Fendler s Aster 998