3 66 



BOTANICAL GAZETTE 



[NOVEMBER 



The foregoing facts suggested that the perfect flower is an 

 abnormal one, produced by favorable conditions of nutrition ; and 

 that therefore it does not indicate a general tendency. 



Figs. 2-6. — D. Kaki: fig. 2, longitudinal section of a young staminate flower of 

 no. 1; fig. 3, transverse section of a young staminate flower of no. 1, with calyx 

 removed; fig. 4, longitudinal section of a perfect flower of no. i, with calyx removed; 

 fig. 5, transverse section of the lower part of a pistillate flower of no. 4, showing the 

 8 anthers and a pistil; fig. 6, flower of no. 4: a, radial section of a young pistillate 

 flower through the two large opposite protrusions; b, longitudinal section through the 

 two initial papillae on the large protrusion. 



