BEES AND FLOWERS. 
22 9 
hollow or depression d t and if you look inside the 
" wings " you will notice a little knob that fits into 
this hollow, and so locks the two together. We shall 
see by-and-by that this is important 
Fig. 62. 
Lotus cormculatus, Bird's-foot Trefoil. 
i. Full flower: sta, Standard; w, Wings; k, KeeL 2. Keel of 
flower: d t Depression into which wings fit 3. Interior of flower: 
r, Stigma ; /, Pollen ; a, Anthers ; h, Place where honey lies. 
Next let us look at the half-flower when it is cut 
open, and see what there is inside. There are ten 
stamens in all, enclosed with the stigma in the keel ; 
nine are joined together and one is by itself. The 
anthers of five of these stamens burst open while the 
flower is still a bud, but the other stamens go on grow- 
ing, and push the pollen-dust, which is very moist 
