THE SILVER-TREE FAMILY. 



231 



are useful for tanning, and make good ink with salts 

 of iron. 



Leucaden'dron. — Fior. 92 is the inflorescence and 



Fig. 91. — T^ucosper'mum. (For description, see text.) 



foliage of the Silver- tree. It differs from the preceding 

 in being dioecious. The small flowers (II.) have a 

 gamosepalous calyx, with four stamens adherent to the 



