26 



ON FLOWERS AND INSECTS. 



[LECT. 



which have no honey, the stamens are all united to- 

 gether. Such flowers are, nevertheless, in spite of the 



FIG. 26. 



FIG. 27. 



FIG. 30. 



FIG. 26. Flower of Lotus corniculatus, seen from the side and in front. 



FIG. 27. Ditto, after removal of the standard. 



FIG. 28. Ditto, after removal of the standard and wings. 



FIG. 29. Ditto, after removal of one side of the keel. 



FIG. 30. Terminal portion of Fig. 29 more magnified. 



c, entrance to the honey ; a, the free stamen ; c, the place where the 

 wings lock with the keel ; /, expanded ends of stamens ; /, fila- 

 ments of stamens ; g, tip of keel ; po, pollen ; st, stigma. 



absence of honey, visited by insects for the sake of the 

 pollen. 



In other Leguminosse, as for instance in the Furze 



