Class XIX. Order II. 



ERIGERON PHILADELPHICUM. L. Philadelphia Flea-bane, 



Stem many flowered ; leaves lanceolate, sub- 

 serrate, those of the stem half clasping; florets of 

 the ray capillary, as long as the disc. L. 



Stem erect, two or three feet high, much branched at top, 

 the branches somewhat downy. Leaves lanceolate or oblong, 

 sessile and partly clasping, the lower ones somewhat toothed. 

 Flowers numerous, panicled, erect. Calyx flattened or hemis- 

 pherical. Florets of the margin very numerous and fine, white 

 with a purplish cast. Common by road sides, flowering in Ju- 

 ly and August. Perennial. 



i 

 233. SOLIDAGO, 



SotiDAGo LANCEOLATA. L. Spear leaved Golden rod, 



Stem glabrous, branching ; leaves lance-linear, 

 entire, three nerved, glabrous ; corymbs terminal ; 

 ligules as high as the disc. Ait. 



This species of golden rod is distinguished from the suc- 

 ceeding, by its inflorescence. Stem tall, leafy, branching. 

 Leaves numerous, long, and narrow, marked for their whole 

 length with three distinct nerves, very rough on the edge. 

 Flowers yellow, in large, flat topped corymbs, composed of 

 small heads. Ray very short and obsure. The whole plant is 

 pleasantly aromatic. Woods and road sides, in low ground. 

 August, September. Perennial. 



SOLIDAGO ALTISSIMA. L. Tall Golden rod. 



Stem erect, hairy ; leaves lanceolate, the lower 

 ones deeply serrate, rough, wrinkled; panicle lean- 

 ins; to one side. Willd. 



_/ 



The varieties of this tall, well known weed, are pretty fre- 

 quent about the borders of fields. Stem erect, stiff, rough, and 



