SELECTION OF PLANTS. 1 37 



It belongs to the 10th Class, under the head "Decandria 

 Decagynia." 



416. SCORZONERA ANGUSTiFOLiA, or Narrow-leaved 

 Viper's Grass. 



This is also a hardy Perennial, which blows in July 

 with a yellow and purple blossom. It affects a dry gra- 

 velly soil, and an open aspect ; is propagated by parting 

 the roots in the spring. 



It is a native of the south of Europe, and first brought 

 to England in 1759. 



It belongs to the 19th Class, under the head " Synge- 

 nesia .ZEqualis." 



417. SIDERITIS SCORDIOIDES, or Crenate Iron-wort. 



This is a hardy Perennial, which blows in July with a 

 yellow blossom. It affects a dry soil, and an open situa- 

 tion ; is propagated by parting the roots in the spring. 



It is a native of France, and first brought to England in 

 1739. 



It belongs to the 14th Class, under the head " Didy- 

 namia Gymnospermia." 



418. SILPHIUM LACINIATUM, or Jag-leaved Silphium. 



This is a hardy Perennial, which blows in August. It 

 affects a dry soil, and rather a warm aspect ; is increased 

 by parting the roots in the spring. 



It is a native of North America, and first brought to 

 England in 1781. 



It belongs to the 19th Class, under the head " Synge- 

 nesia Necessaria." 



