332 



NATURAL HISTORY OF PLANTS. 



introrse anther dehiscing by a single longitudinal cleft. The fila- 

 ments are petaloid and incurved in the bud in such a manner as to 

 carry the anthers under the projection of the style, where they 



NapoUona imjperialis. 



Fig. 329. Floriferous branch. 



Fig. 330. Bud. 



Fig. 333. Long. sect, of andrcecium 

 and gynsecinin (f ) . 



Fig. 331. Bud with 

 calyx remoyed. 



Fig. 332. Long. sect, of flower. 



remain fixed for some time.^ Within the andrcecium is a circular 

 glandular disk which surrounds the ovary. The latter is imbedded 

 in the cavity of the receptacle, and hollowed into five oppositipeta- 

 lous cells, surmounted by a short and thick style, soon dilated to a 



1 There is here a sort of hoUow in the style disengaged by cutting the head of the style 

 to receive the anther in the bud. This is easily transversely. 



