BUBIACEM. 



295 



resembling umbels or capitules, and surrounded by an involucre of 

 simple or lobed bracts, sometimes much developed. 



There are cells of Gruckshanksia which are triovulate. In this case 



• the placenta becomes somewhat more salient, especially towards the 



summit, where it abandons the partition and bears three ovules. In 



Carphalea OMgulata. . 



Fig. 279. Flower (f). 



Fig. 280. Long. sect, of base of flower ('^). 



Carphalea, from tropical eastern Africa, continental and insular, the 

 placenta is more elongate, becomes more slender, free or nearly so, 

 and also bears near the summit two or three ovules, rarely more. 

 "The corolla is also that of Gruckshanksia, and the calyx becomes 

 foliaceous and coloured, accrescent, sometimes equally so as to 

 remain regular, sometimes unequally (fig. 279, 280), so that its lobes 

 are more developed on one side than on the other. Garphalea 



