THE VEGETABLE KINGDOM. 



467 



Avhole day, deceived by the artificial gloom, and they 

 remained awake the whole night when six lamps projected 



250. Sensitive Plant Asleep and Awake — Mimosa pudica (Linnseus). 



upon them a brilliance equal to five-sixths of that of day- 



light. 



It is principally among plants which inhabit intertropical 

 countries that the phenomenon in question is seen. It is 

 particularly noticeable in the family of the Leguminoste, 



