III.] 



DELPHINIUM. 



Fig. 5 1 a 1 , so that the proboscis of the bee, in passing 

 down to the honey can hardly fail to come in contact 

 with them. After shedding their pollen, they turn 

 down again, and when each anther has thus raised 

 itself and again retired, the pistil in its turn takes pos- 



FIG. 51. FIG. 54 



FIG. 53. FIG. 52. 



FIG 51. A young flower of Delphinium etatum, seen from the front, and after re- 



moval of the calyx. 



FIG. 52. Section of the same flower seen from the side. 

 FIG. 53. An older flower, seen from the front, after removing the calyx. 

 FIG. 54. Section of the same flower, seen from the side. 



session of the place, as shown in Fig. 53, and 54 J/; 

 and is thus so placed, that a bee which has visited 

 a younger flower and there dusted its proboscis, can 

 hardly fail to deposit some of the pollen on the 



