LIST OF ILLUSTRATIONS. 



FIG. PAGE 



1. Lamium album i 



2. Flower of Lamium album 2 



3. Section of ditto 2 



4. Drosera rotundifolia 4 



5. Geranium pratense (young flower) 8 



6. Geranium pratense (older flower) 8 



7. Malva sylvestris 14 



8. Malva rotundifolia 14 



9. Stamens and stigmas of Malva sylvestris 15 



10. Ditto of Malva rotundifolia 15 



11. Epilobium angustijolium 1 6 



12. Epilobium parviflorum 1 6 



13. Diagrammatic section of Arum 18 



14. Salvia officinalis. Section of a young flower 21 



15. Ditto, visited by a Bee 21 



16. Ditto, older flower 21 



17. Stamens in their natural position 22 



18. Stamens when moved by a Bee 22 



19. Wild Chervil (Chcerophyllum sylvestre) 23 



20. Floret of Chrysanthemum parthenium, just opened 26 



21. Ditto, somewhat more advanced 26 



22. Ditto, with the stigmas expanded 26 



23. Lotus corniculatus 27 



24. Flower of Lotus corniculatus seen from the side and in front . 29 



25. Ditto, after removal of the standard 29 



26. Ditto, after removal of the standard and wings 29 



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



28. Terminal portion of Fig. 27 more magnified 29 



29. Primula (long-styled form) 3 1 



