412 



NATURAL HISTOHY OF PLANTS. 



celled, introrse, oscillating anther dehiscing by two longitudinal 

 clefts. 1 The gyna?ceum is placed above upon the large base of the 

 trunk of the receptacular cone ; it is composed of five oppositi- 

 petalous carpels, each formed of a one-celled ovary, tapering above 



Quassia ama, a. 



Fig. 465. 

 Flower. 



Fig. 464. 

 Floriferous branch Q). 



Fig. 466. 



Flower without corolla 

 and stamens (^). 



into a long, slender style, which unites with the other style, and is 

 twisted with them to form a long subulate column, with stigma- 

 tiferous apex, not dilated. In the internal angle of each is a placenta 

 supporting a descending anatropous ovule, with superior and exterior 

 micropyle. 2 The fruit is formed of five drupes (or a less number), 



1 H. Moiil (in Ann. Sc. Net., ser. 2, iii. a It has two coats. The first is very thick; 



339) describes the pollen as " ovoid, three the second, atropous, forms beyond the nucleus 

 grooves ; in water, ovoid with three narrow a small cylindrical neck, 

 bands and very small papillae. Simaba licolor 

 Zucc, Quassia amora (without papillae ?)." 



