NATURAL HISTORY OF PLANTS. 



length. The stamens are also inserted at the back. There are 

 sometimes five, one middle and two lateral, or three only, the 

 middle one being a little jshorter than the others (fig. 118-121), or 



Krameria cistoides. 



Fig. 114. Long. sect, of 

 flower. 



Fig. 115. Flower without calyx. 



Fig. 113. Flower (4). 



four, of which the two anterior are longer than the two posterior in 

 the adult flower (fig. 113-116, 122, 123). The petals, like the 

 pieces of the androoeum, are free or united among themselves by a 



Krameria triandra. 



Fig. 116. Fruit (a). 



Fig. 117. Long. sect, of fruit. 



common basilar part united also to the base of the corolla. Each 

 stamen is composed of a filament and a basiflxed anther, with two 

 lateral cells dehiscing at the apex by a sort of wide pore or funnel 

 more or less cut upon the edges, at the bottom of which open the 

 two cells. The gynaeceum is free and superior, formed of an ovary 

 formed at first of two cells, one anterior the other posterior ; but 

 this latter is early arrested in its development.^ In front of the 



* See H. Bx. in Adansoniu, xi. 18. 



