BUB I ACE JE. 



339 



tube and limb divided into five valvate expanded lobes, externally 

 almost entirely covered with hairs, internally only in certain parts. 

 In the lower part of the tube, the corolla bears five stamens,' 



Cinchona CalUaya. 



Fig. 334. Flower (|). 



Fig. 33.5. Long. sect, of flower. 



alternate with its divisions, and formed each of a filament of variable 

 length and an anther enclosed (or sUghtly exserted at the summit), 



Cinchona Calisaya. 



-. -^Yj 



'■%% ' 



Fig. 337. Seed(!s). 



Fig. 336. Dehiscing fruit. 



Fig. 338. Long. sect, 

 of seed. 



bilocular,^ introrse, dehiscing by two longitudinal clefts, oscillating. 

 The inferior ovary has two cells, one anterior, the other posterior ; 



' Parallel to the filaments, this tuhe has five slits are also met with in a great many Bubiaceie 



vertical slits, the formation of which presents a and render the corolla of some almost completely 



curious ohject of study, and through them the polypetalous. 



hack of the filament mav be reached. These ' The two anther cells are independent helow. 



z 2 



