170 SELECTION OF PLANTS. 



527. TRACHYMENE CCERULEA. Blue-lowered 

 Trachymene. 



Class 5th. Pentandria Digynia. 



This beautiful Annual, is a native of New Holland. It 

 is a half-hardy Annual, flowering in great beauty in the 

 open border, in October and November ; but in such 

 situations it does not ripen seed, so that it would be desira- 

 ble to keep some of them in the greenhouse, and treat 

 them as Balsams and similar Annuals : so managed they 

 will flower from July to November. 



528. COREOPSIS AUREA. Golden Coreopsis. 



Class 19th. Syngenesia Frustranea. 



It is a hardy Biennial, remarkable for the beauty of its 

 heads of flowers, which are large, bright yellow, and sup- 

 ported by long slender stalks. 



It rises in height about three feet, and is a native of 

 North America. 



529. COTONEASTER FRIGIDA. Mountain Cotoneaster. 



Class 12th. Icosandria Di-Pentagynia. 



It forms a small but very handsome deciduous tree, with 

 snow-white blossoms, during April and May, and in Sep- 

 tember and October it produces bunches of bright red 

 haws, extremely pretty. 



It is perfectly hardy, and may be increased abundantly 

 by grafting upon the Whitethorn stock. 



It is a native of Nipal. 



530. SPERMADICTYON AZUREUM. Azure-flowed Netseed. 



Class 5th. Pentandria Monogynia. 



This beautiful shrub grows to the height of 10 and 12 



