SELECTION OF PLANTS. 51 



153. DRACOCEPHALIUM VIRGINIANUM, or Virginian 

 Dragon's Head. 



This is a hardy Perennial, which blows from July to 

 September; is raised by seed sown in the spring, or by 

 parting the roots ; it loves a moist situation, and a stick 

 should be placed against it, as it rises sometimes to three 

 feet high. 



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

 England in 1683. 



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

 tnia Gymnospermia." 



154. OENOTHERA TETRAPTERA, or White-flowered 

 Oenothera. 



This is a tender Annual, and should be sown in the 

 hotbed, with Balsams, &c. 



It blows in June and July ; is a native of South Ame- 

 rica, and was first brought into England in 1796. 



It belongs to the 8th Class, under the head " Octandria 

 Monogynia." 



1 55. TRILLIUM ERECTUM, or Upright Trillium. 



This is a hardy Perennial, and affects a shady and moist 

 situation. The proper soil is a mixture of peat- earth, 

 light loam, and drift sand. It blows in May, and is in- 

 creased by parting the roots in the autumn. 



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

 to England in 1790. 



It belongs to the 6th Class, under the head " Hexandria 

 Polygynia." 



