168 SELECTION OF PLANTS. 



520. LALAGE ORNATA. Gay-flowering Lalage, 



Class 16th. Monadelphia Decandria. 



A native of New Holland, and one of the prettiest from 

 that country. Its leaves are of a deep rich green, and the 

 colour of the flowers is a pleasing mixture of yellow, 

 orange, purple, and crimson. It requires to be kept in a 

 well- aired greenhouse, and maybe increased by cuttings. 



521. COLLINSIA BICOLOR. Two-coloured Collinsia. 



Class 14th. Didynamia Angiospermia. 



A new handsome hardy Annual, and produces its pretty 

 two-coloured blossoms in May and June, when it has been 

 sown the previous autumn ; if sown in May, it will flower 

 in August and September. 



522. LITHOSPERMUM ROSMARINIFOLIUM. Rosemary- 



leaved Gromwell. 



Class 5th. PentandriaMonogynia. 



A native of the South of Italy ; it is a beautiful and 

 highly interesting species, and one of the best adapted for 

 rock-work. It requires no particular management, except 

 to be protected from wet in winter, it has increased in size 

 and beauty since it has been in this country. 



It flowers in September, and the blue of the flowers is 

 of the most intense and brilliant tint, and increased by 

 cuttings. 



523. CHELONE CENTRANTHIFOLIA. Valerian-leaved 

 Chelone. 



Class 14th. Didynamia Gymnospermia, 



A new hardy herbaceous plant ; a species of consider- 



