440 



NATURAL HIS TOBY OF PLANTS. 



only, or rarely two, is largely developed, the others remaining 

 rudimentary. It is the same with Tristellateia, inhabiting Mada- 

 gascar and tropical Oceania, having a calyx without glands or with 

 rudimentary ones, unguiculate petals, flowers in clusters, and a fruit 

 whose samaree are furnished with a circular marginal wing out in 

 unequal lobes, rigid, entire or not at the apex, spreading starlike, 

 often with a dorsal ridge of small size and more or less deeply 

 laciniate. 



Dinemandra glanca. 



Fig. 443. Flower (f). 



Fig. 446. 

 GynsBcetun (f). 



Fig, 444. Longitudinal 

 section of flower. 



Fig. 445. Flower with 

 corolla removed (f). 



Fig. 448.. Eipe Carpel, 

 longitudinal section. 



Fig. 447. Fruit. 



The two Chilian genera Dinemagonum and Dinemandra (fig. 

 443-448) are considered as genera intermediate between this series 

 and the following, being represented by small sufErutesoent plants, with 

 narrow leaves, having long-stipitate calycine glands, unequal petals, 

 stamens only partially fertile : two or three in Dinemandra^ eight in 

 Dinemagonum. The anthers are linear-oblong, and to the trilobed 



