308 Class XIX. Order II. 



petioled ; upper ones pinnatifirl, Ijrate ; peduncles in- 

 crassated, somewhat umbelled. 



This is a handsome species, and makes a fine appearance in 

 meadows, io May and June. Stern upright, simple, smooth, 

 from one to three feet high. Leaves of the root on slender foot- 

 stalks, heart-shaped, rounded, crenate, smooth ; middle leaves of 

 the stem lyrate and crenate ; upper ones pinnatifid. Corymb 

 terminal, somewhat umbelled, the flower stalks thickening up- 

 ward. Calyx smooth, dark, often striped. Flowers yellow. Li- 

 gules oblong, spreading. Perennial. 



SENECIO OBOVATUS. Willd. Olovate Senecio. 



Flowers radiate ; radical leaves obovate, crenate- 

 serrate, petioled ; stem leaves pinnatifid, toothed ; pe- 

 duncles elongated ; somewhat umbelled. 



Resembles the foregoing species closely ; but the root leaves 

 arc obovate, and the peduncles not incrassated. Meadows, Dan- 

 vers. Dr. Nichols. June. 



SENECIO BALSAMIT/E. Willd. Oblong Senecio. 



Flowers radiate ; radical leaves oblong, serrate, pe- 

 tioled ; upper ones lyrate or pinnatifid ; peduncles 

 somewhat umbelled. 



The taste of the root in this and the two preceding species, 

 resembles that of Aralia nudicaulis. This is smaller than the 

 others, and has distinctly oblong root-leaves. In dry, rocky 

 pastures, Stoneham, near the marble quarry. June. 



323. ASTER.* 



ASTER. SOLIDAGINEUS. Mich. White topped Aster. 



Leaves linear-lanceolate, obtuse, entire, obsoletely 

 three nerved, rough on the margin ; corymb fastigiate ; 

 flowers sessile, aggregate, five rayed. 



Syn. CONTZA LIN I FOLIA. L. 



An early species, with white flowers Stem simple, smooth. 

 Leaves oblong, narrow, obtuse at the end, tapering at base, gla- 



* The remarks made under the head of Solidago, apply with equal force 

 to the genus Aster. 



