of the Flower of the Papilionaceae. 



1G1 



EXPLANATION OF THE FIGURES. 



Fig. 1. Diagram according to which the papilionaceous flower is con- 

 structed as regards disposition, and which actually occurs in Affonsea, 

 St. Hil. 



a, a, a, a. The abortive ovaries in the papilionaceous flower, a' the re- 



maining ovarium. 



b, b, b, b. Second inner staminal circle alternating with the ovarium. 



c, c, c, c. Second outer staminal circle opposed to the ovaries. 



d, d, d, d. Petals alternating with the ovaries. 



e, e, e, e. Sepals opposed to the ovaries. 

 /. Imaginary floral axis. 



Fig. 2. Diagram according to which the papilionaceous flower is actually 

 constructed. Similar to the former, but the abortive ovaries a, a, a, a, are 

 omitted. 



Fig. 3. Diagram of a diadelphous papilionaceous flower. 



a. Ovarium. 



b. The tenth free stamen belonging to the inner circle. 



c. The superiorly slit tube formed of the other nine stamens. 



d" d". The two petals cohering at their inferior margin forming the ca- 

 rina. 

 d' d'. The two wings ; d. the vexilla. 

 e, e, e, e. Sections of the calyx. 



Fig. 2. 



Fig. 3. 



