Class XIX. Order II. 



ASTER CORDIFOLIUS. L. Heart leaved Aster* 



Leaves heart-shaped, hairy beneath, sharply 

 serrate ; petioles winged ; stem panicled, hairy ; 

 calyxes loosely imbricate. Willd. 



Stem erect, somewhat flexuous, in some plants a Ihtle hairy, 

 in others quite smooth. Leaves heart-shaped, with a deep si- 

 nus, acutely serrate, acuminate, downy underneath, the lower 

 ones very large. Petioles with a membranous edge. Pan- 

 icle terminal, many flowered. Flowers small, purplish white. 

 Woods. September. Perennial. 



ASTER CORYMBOSUS. Jilt. Corymbed Aster. 



Leaves ovate, sharply serrate, acuminate, the 

 lower ones heart-shaped, petioled y naked ; stem 

 ending in a fastigiate corymb ; branches hairy ; ca- 

 lyxes oblong, imbricate, its scales closely pressed. 

 Willd. 



A pretty large, white flowering plant. Stem smooth, fre- 

 quently of a dark reddish colour. Lower leaves heart-shaped, 

 petioled, smooth, toothed ; upper ones ovate, acuminate, sub- 

 sessile. Flowers white, in a large, flat topped corymb, the 

 branches of which are slightly pubescent. Woods and shades, 

 Roxbury, Brooklyn. August. Perennial, 



236. ANTHEMIS. 

 ANTHEMIS COTULA. L. May weed. 



Receptacle conical, its scales bristle shaped ; 

 seeds without any border ; leaves doubly pinnati- 

 fid, smoothish. Sm. 



The road sides are full of the white blossoms of this com- 

 mon, annual weed, from midsummer to the end of autumn. 

 Stem upright, smooth, much branched. Leaves alternate, ses- 



