II. 



LOTUS. 



29 



FIG. 24. 



FIG. 25. 



FIG. 24 Flower of Lotus corniciilatits seen from the side and in front 



FIG. 25. Ditto, after removal of the standard. 



FIG. 26. Ditto, after removal of the standard and wings. 



FIG. 27. Ditto, after removal of one side of the keel. 



FIG. 28. Terminal portion of Fig. 27 more magnified. 



a, the free stamen ; c, the place where the wings lock with the keel ; 



f, filaments of stamens ; g; tip of keel ; fa, pollen ; st, stigma ; 



std, standard ; iv> wing ; k, keel ; /, combined bases of stamens. 



interesting arrangements by which cross-fertilisation 

 is secured in this great order of plants. 



It is indeed impossible not to be struck by the 



