CHAP. V. OENAMENTAL TREES, SHRUBS, ETC. 557 



half high, of large bright-blue bell-like flowers. Easily multi- 

 plied by division of the roots. 



LOBELIACE^E. 

 Lobelia. 



An extensive genus of herbaceous plants, some of great beauty ; 

 we have but one garden species, I believe, that lasts with us as 

 a perennial. 



C. radicans. A small trailing plant, nearly always in blossom, 

 with a profusion of small pale-violet flowers, having a pleasant 

 bitter-almond-like fragrance. 



Centropogon. 



C. fastuosus. An herbaceous pot-plant, bearing beautiful 

 bright-crimson tubular flowers, half an inch long. Two or three 

 specimens were in the conservatory of the Agri -Horticultural 

 Society a few years ago, but have since disappeared, unsuited 

 possibly to the climate. 



VALERIANACE^E. 

 Nardostachys. 



N, Jatamansi. SPIKENARD of the ancients; a small, unattrac- 

 tive, herbaceous pot-plant, native of the Himalayas , and rare in 

 Calcutta ; bears small dirty-white flowers in March, on a long 

 erect spike, in much repute for their fragrance. 



DIPSACE^E. 



Scabiosa. 



SCABIOUS. 



Plants of these herbaceous perennials, raised from seed in 

 October, may be preserved till the following October ; repotted 



