ERICACEj;. 



118 



seasons, so that, when other flowers fail, the greenhouse 

 may still be gay with heaths ; they have the advantage too 

 of preserving their blossoms for a length of time. 



The soil required for heaths is peat and sand, and if 

 the pots are very well drained, plenty of water may be 

 given to them, for if they once get thoroughly dry the 

 roots are killed ; they should not be much exposed to a hot 

 sun, but they will be benefited by being in the open air in 

 summer, after being pruned. They should have a free cir- 

 culation of air at all times, as they are apt to become mil- 

 dewed. 



LYONIA. 



Gen. Char. (Decandria Monogynia) Calyx five-lobed; corolla 

 subglobose, with five teeth ; capsule five-celled, five-valved. 



An American genus, some of the species of which are 

 hardy. The following are very ornamental in the green- 

 house, — rigida, fasciculata, and Jamaicensis. The latter 

 has numerous flowers, of a delicate, transparent, waxy ap- 

 pearance, slightly tinged with green and pink, the form 

 globular, with a contracted mouth ; the scent is like that of 

 honey; the leaves are handsome, about two inches long, 



VOL. II. I 



