8. Aster Schreberi Nees. Schreber's Aster

Fig. 4289

Aster Schreberi Nees, Syn. Ast. 16. 1818.

Stem stout, 2°-3° high, with long internodes. Basal leaves often in extensive colonies, thin, dull green, firm, rough above, with scattered slender ap-pressed bristles, pubescent beneath on the veins, reni form-cordate or cordate-triangular, often 7' long by 5' wide, the basal sinus when well developed rectangular, 2' across and 1' deep; upper leaves ovate-oblong to lanceolate, with a short broad basal wing, or sessile; petioles of the lower leaves long, conspicuously ciliate when young; inflorescence decompound, flattish, or irregularly convex, 6'-12' broad; heads about 5" high; bracts greenish, mostly obtuse, ribs and midrib dark green, ciliate; rays usually 10.

In borders of woods, and along fence rows in partial shade, New York to Michigan and Virginia. July-Aug.

9. Aster Macrophyllus L. Large-Leaved Aster

Fig. 4290

Aster macrophyllus L. Sp. Pl. Ed. 2, 1232. 1763.

Rough; rootstocks long, thick; stem reddish, angular, 2°-3° high. Basal leaves forming large colonies, 3 or 4 to each stem, broad, cordate with a large irregular sinus, rough above, harsh, thick, the teeth broad, curved, pointed, the petioles long, narrow; upper stem leaves oblong with short broadly winged petioles, the uppermost sessile, acute; inflorescence strigose and glandular, broadly corymbose, irregular; heads 5"-6" high; peduncles rigid, thickish; rays about 16, 5"-7" long, chiefly lavender, sometimes violet, rarely pale; bracts conspicuously green-tipped, the lower acute, the inner oblong, obtuse; disk turning reddish brown; florets short-lobed.

In moderately dry soil, in shaded places, Canada to Minnesota and North Carolina. Here regarded as consisting of numerous slightly differing races, perhaps including the five following described as species. Aug.

9 Aster Macrophyllus L Large Leaved Aster 9619 Aster Macrophyllus L Large Leaved Aster 962

10. Aster Roscidus Burgess. Dewy-Leaf Aster

Fig. 4291

Aster roscidus Burgess; Britt. & Brown, III. Fl. 3: 360. 1898.

Clammy-hairy, odorous, copiously glandular when young, somewhat so at maturity; stem 30 high, or less. Basal leaves in close colonies, coriaceous, the earlier ones cordate-quadrate, low-serrate, the sinus deep, narrow, the later, or winter leaves, elliptic, long-petioled, often prostrate, often 5' long; stem leaves chiefly orbicular and not cordate, with short broadly winged petioles, rarely slender-petioled; inflorescence convex, sometimes irregular; involucre hemispheric, its bracts chiefly with rounded ciliate tips; rays 14-16, broad, clear violet; disks at first golden yellow, soon turning red; pappus long, white, copious.

In slight shade and rich cleared woodlands, Maine to Pennsylvania and Michigan. Aug.-Sept.

11. Aster Ianthinus Burgess. Violet Wood Aster

Fig. 4292

Aster ianthinus Burgess; Britt. & Brown, III. Fl. 3: 360. 1898.

Glandular, dark green, slightly strigose-pubescent; stem erect, or decumbent, 2°-3° tall. Leaves thin-nish, rough, the lower and basal ones orbicular to oblong, 5' long, or less, abruptly acuminate, low-serrate or crenate; the sinus broad, open, shallow, upper leaves sessile by a narrowed base, crenate-serrate; inflorescence open, nearly naked, peduncles slender, divergent; heads large; rays 10-13, long, very deep violet or sometimes pale, 4"-6" long; bracts green-tipped, little pubescent.

On shaded banks and along woodland paths, Maine to Lake Erie and West Virginia. July-Oct.

11 Aster Ianthinus Burgess Violet Wood Aster 96311 Aster Ianthinus Burgess Violet Wood Aster 964