364 



ECOLOGY. 



The calyx is green, adherent to the ovary, and the limb divides into three, 

 lanceolate lobes. The petals are obovate and spreading, while the stamens 

 have all changed to petal-like members, called staminodia. Only one still 

 shovirs its stamen origin, since the anther is seen at one side, while the fila- 

 ment is expanded laterally and upwards to form the staminodium. 



Fig- 463- 

 Spartium, showing the dusting of tlic pollen through the opening keels on tlie under side 

 of an insect. (From Kerner and Oliver,) 



665. The ovary has three locules, and the three styles are usually uniteii 

 into a long, thin, strap-sliaped style, as seen in the figure, though in some 

 cases three, nearly distinct, filamtiitous styles art- present. The end of this 

 strap-shaped style has a peculiar curve on one side, the oulune being some- 



