PLANTS OF WAX 



in a bath of formalin and glycerine 1 may be used, 

 let us follow the reproduction of a leaf. 



By word and picture 



MAKING A SQUEEZE MOLD 



The original leaf is placed upon a bed of clay around which a 

 clay wall is set up and the enclosure so formed is poured full of plaster 



.< 



THE LEAF, RESTING ON A CLAY BED 

 Ready for Making the First Half of the Mold 



'A mixture of formalin 15 parts, water 35 parts and glycerine 50 parts is best for 

 prolonged preservation of foliage. Leaves immersed in a stronger mixture for a few 

 days and then removed and dried will usually retain their form and if so treated may 

 be recolored and used for exhibition, but the result is seldom satisfactory. 



