KOELREUTERIA 687 



head of branches 105 ft. in circumference. J. G. Koelreuter, after whom 

 the genus was named, was a professor of botany at Karlsruhe in the 

 eighteenth century. 



K. BI FINN ATA, Franchet, another Chinese species, is not hardy here 

 nor in Paris, although it has been tried several times. It differs from 

 K. paniculata in its leaves being invariably doubly, sometimes trebly, 



KOLKWITZIA AMABILIS. 



pinnate, in its more regularly and less coarsely toothed leaflets, and the 

 rounder, broader valves of the fruit. 



Mr Wilson introduced from China, in 1900, a rather distinct 

 Koelreuteria with very large and often quite bipinnate leaves, appar- 

 ently intermediate between these two species. It is hardy at Coombe 

 Wood 



