CLASS XIX. ORDER II. 331 



point, smooth, and even, with a rough edge, sh'ghtly serrate 

 about the middle, clasping, the lower ones contracted at base. 

 Branches of the panicle furnished with a few small leafets. 

 Flowers on distinct peduncles, purplish blue. — Borders of woods 

 and fields. — August. — Perennial. 



Aster umbellatus. Ait. Umbclled Aster. 



Leaves lanceolate; entire, narrowed at base, actmii- 

 nate, rough on the margin ; stem simple, corymbed 

 at top; calyx scales lanceolate, lax. Willd. 



Syn. Aster Amtgdalinus. Mich. 



DiPLOPAPPUS UMBELLATUS. Hooher. 

 A very tall, erect, species, with white flowers. Stem four or 

 five feet high, furrowed, smooth, sometimes rough at top, leafy. 

 Leaves numerous, large, lanceolate, rough at the edge, paler 

 underneath. Stem branching at top into a large, compound, flat 

 topped corymb. Calyx scales lanceolate, obtuse. Ray of a 

 middle size, white. — In low grounds. — August, September. — Pe- 

 rennial. 



Aster Nov^e Anglic. L. New England Aster. 



Leaves lanceolate, clasping, entire, appendaged at 

 base ; stem hairy, straight ; flowers terminal, crowd- 

 ed ; calyx scales loose, colored, lanceolate, longer 

 than the disc. Willd. 



A tall, and very beautiful plant. Stem three feet high, brown^ 

 very hairy. Leaves very numerous, linear-lanceolate, entire, 

 acute, continued at base into a pair of small, rounded lobes, 

 clasping the stem. Flowers large, on short stalks, crowded at 

 the top of the stem. Calyx scales linear-lanceolate, of a dark 

 brown on the inside. Ray of a deep purple, crowded. — Road 

 sides. South Boston, Brookline, &c. — September. — Perennial. 



Aster MISER. L. Small jlowcred Aster. 



Leaves sessile, lanceolate, serrate, smooth ; calyx 

 imbricated with acute scales ; disc equal to the ray ; 

 stem pubescent. 



A variable species, with small, white flowers. — Dry fields and 

 road sides. — July, August. — Perennial. 



