CLASS XIX. ORDER II. 327 



This plant is the only species common to the two continents. 

 It is distinguished from those prcTiously enumerated by its much 

 larger flowers. Stem flesuous, from one to three feet high. 

 Leaves elliptic or lanceolate, often with a long narrow base, 

 serrate. The upper ones nearly entire. Panicle of large yellow 

 flowers with from five to ten rays. 



Variety f?. alpina. A few inches in height, with obovate or 

 lanceolate, mostly entire leaves, and a few large flowers. 



In woods on the sides of the White mountains. Var. 5, on 

 the alpine summits. The last resembles S. Cambrica of Hudson. 

 SoLiDAGO sPECiosA. Xiitt. Elegant Golden Rod. 



Stem smooth, simple; leaves lanceolate, entire, 

 rough on the margin, lower ones broader, radical ones 

 slightly serrate: racemes terminal, erect, compound, 

 pubescent : peduncles mostly shorter than the calyx ; 

 rays about five, elongated. 



A very tall and showy species, sometimes five or six feet high. 

 Radical leaves on long petioles, the cauline on short, all of them 

 somewhat fleshy. The flowers grow in a pyramidal bunch of 

 twice compound racemes, and are very conspicuously bright and 

 yellow. — About woods, Ipswich. I\Ir. Oakes. 



SoLiDAGO TENMFOLiA. Ph. Slender leaved Golden Rod. 

 Stem rough, angular: leaves narrow-linear, spread- 

 ing, obsoletely three nerved, rough ; axils leafy ; co- 

 rymbs terminal, fastigiate, the branches capitate ; ray 

 hardly higher than the disc. 



A slender species, with small stem, leaves and flowers. 

 Branches fastigiate, most of them bearing small corymbs of in- 

 conspicuous yellow flowers. — In dry grounds. — Plymouth, ilr. 

 Tuckerman. 



347. SENECIO. 

 Senecio vulgaris. L. Common Groundsel. 



Flowers v/ithout ray. scattered : leaves pinnate- 

 sinuate, clasping, toothed. S/n. 



