MEASURES FOR I'ROTECTINU GROWING PLANTS KUOM LOSS OF HEAT. 



537 



/Eschynomene Indica, au elegant herb-like plant with papilionaceous flowers and 

 extremely delicjite doubly-pinnate leaves, as well as the Indian Sraithia sensitiva 

 (which likewise belon<,'s to the I'apilionacoa;), fold their leaflets together above, and 



Fig. IZi.— Mimosa pudica in day and night positions. 



depress the common leaf-stalk directly the first rain-drop has produced a shaking. 

 The same applies to several mimosas (Miviosa pudica, sensitiva, casta, dormiens, 

 humilis, viva), of which the first, a species native in Brazil, is represented in fig. 

 l-M. In these mimosas there is reallj- to be noted a thi-eefold movement; first of 

 all the tiny leaflets fold together above, and at the same time direct themselves a 



