LIST OF ILLUSTRATIONS. 



FIG. PAGI 



1. Lamium album. (After Bentham) 1 



2. Flower of 1 



3. Section of 1 



4. Drosera rotundifolia. (After Bentham) 4 



5. Geranium pratense ; young flower. (After Hildebrand) .... 7 



6. older flower. ) . . . . 7 



7. Malva sylvestris. (After Sowerby) 13 



8. Malva rotundifolia. (After Sowerby) 13 



9. Stamens and Stigmas of Malva sylvestris. (After H. Miiller) . . 13 



10. Ditto of Malva rotundifolia ( ) . . 13 



11. Epilobium angustifolium. (After Sowerby) . 14 



12. Epilobium parmflorum. ( ) 14 



13. Diagrammatic Section of Arum 17 



14. Salvia officinalis. Section of a young flower. (After Ogle) . . 18 



15. Visited by a Bee. (' ) . . 18 



16. Older Flower. ( ) . . 18 



17. Stamens in their natural position. ( ) . . 20 



18. Stamens when moved by a Bee. ( ) . . 20 



19. Wild Chervil Chcerophyllum sylvestre. (After Bentham) ... 21 



20. Floret of Chrysanthemum parthenium, just opened. (After Ogle) . 23 



21. somewhat more advanced . 23 



22. ,, with stigmas expanded . . 23 



23. Lotus cornlculatus. (After Bentham) 24 



24. Flower of, seen from the side and in front 



(After H. Miiller) 25 



25. After removal of the standard 25 



26. After removal of the standard and wings . . 25 



27. After removal of one side of the keel ... 25 



b 



