Show for plant trees and plants eald a botanist require sleep as well as food no matter how hardy they may be want of rest will cause them to grow old and withered before ther time this la especially shown in the case of trees and flowers in towns the main reason that they do not nourish as they do in the country la that they are kept awake too much at night the smoke and dust of course have something to do with it but one of the principal causes of their 13 want of proper sleep of the causes which keep such trees and flowers constantly wakeful there Is the matter of noise in all its forma and the vibration watch results from the incessant activity 0 city life plants and flowers of all kinds sleep best away from the glare so the lights of a city which shine all through tha night must contribute to this interference with vegetable sleep you may wonder why plants should need sleep since they do not move about like animals or perform any in the ordinary sense but alternate periods of activity and rest are required by all forms ot life and where this natural law Is interfered with bad results follow |