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. 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. 



e, 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 Leguminosae, as for instance in the Furze 



