1 1 8 SELECTION OF PLANTS. 



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

 nesia Frustranea." 



357. CACALIA SUAVEOLENS, or Sweet-scented Coltsfoot. 



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

 a white blossom. It requires a strong soil and an open 

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



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

 to England in 1752. 



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

 nesia ^Equalis." 



(g^ 51 There are 14 more of this genus, 9 of which are 

 greenhouse plants. 



358. CASSIA MARILANDICA, or Maryland Cassia. 



This is a Perennial, perfectly hardy, and blows in July, 

 with a yellow blossom. It loves a light loamy soil and an 

 open situation ; is propagated by parting the roots in the 

 spring. 



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

 England in 1723. 



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

 Monogynia." 



359. CENTAUREA RUTHENICA, or Russian Centaury. 



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

 requires a good loamy soil and an open situation ; is pro- 

 pagated by parting the roots in the spring. 



It is a native of Russia, and first brought to Eng- 

 land in 1806. 



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

 nesia Frustranea." 



