ULMACEM. 



147 



verified in Broussonetia^ or the Paper-Mulberry (fig. 102-107), 

 beautiful trees of temperate and tropical Asia> with leaves very- 

 variable in form, and dioecious tetramerous flowers. The male 

 inflorescence is araentiform and analogous to that of the Mulberry. 

 The female flowers have a gamophyllous urceolate perianth and a 

 gynsecium analogous to that of Morus, but with a simple style, 



Broussonetia papyrifera. 



Fig. 102. Foliaceous branch (-i). 



filiform at its sti^"^matiferous extremity. The fruit is formed of a 

 great number of st;pitate drupes, collected on a spherical receptacle, 

 and the fleshy mesocarp thickens only at the edges in a sort of 

 forceps with elastic branches which drive and project the putamen 

 as the seeds, analogous to those of the Mulberries, mature. 

 Madura differs very little from Broussonetia^ of which it has 

 the flower and male inflorescence. But the female flowers are 

 destitute of a calyx with independent folioles, like that of the 



10—2 



