THE DICOTYLEDONES 



1713 



that the Sarraceniaceae is essentially a New World family (Fig. 1583). 

 The flowers (Fig. i ^84) are remarkable chiefly because of the great develop- 

 ment of the style, which in Sarracenia is expanded above the ovary into a 



Fig. 1584. — Sarraceuia purpurea. 

 Longitudinal section of flower 

 with perianth removed. 



large umbrella-like structure, which spreads over the stamens and has 

 small stigmatic surfaces at the tips of its five lobes. 



In the Nepenthaceae there is only one genus, Nepe?ithes, with about 

 sixty species, which are distributed (Fig. 1585) in eastern tropical Asia, 

 with the centre of distribution in Borneo, extending westwards to Mada- 



FlG. 1585. — Distribution of- Nepenthaceae. 



