III. TO RICHMOND-. 



mines and 'wall-flowers also mingle their 

 i i arrant exhalations with those of a thou- 



o 



sand other species of flowers. It has been 

 justly observed, that flowers emit a strong- 

 er odour in the morning and evening, than 

 during the day ; on which account walking 

 is more agreeable at those periods. 



As sudden noises warn us of the approach 

 of danger, so fetid or unpleasant scents 

 serve to keep us at a distance from the bo- 

 dies which exhale them ; while sweet and 

 agreeable ones attract and lead us to spots 

 where the air is salubrious. Nature, arrayed 

 in the garb of Flora, invites us during 

 spring to seek pleasure in groves and rural 

 walks. With eagerness the botanist accepts 

 her invitation : but the intelligent philoso- 

 pher, while he disdains not this study, pro- 

 ceeds a step further. He does not confine 

 himself to the investigation of the mere 

 mechanism of plants mid flowers; but, re- 

 flecting on the advantages and pleasure de- 



riv cd 



