LIST OF ILLUSTRATIONS. 



FIG. PAGR 



24. Right hind-leg of Halictus (after Miiller) . . 17 



25. Left hind-leg of Panurgus banksianus ,, ,, . . 18 



26. Right hiai-leg of A niAff^Aora iimacu/a/a „ ,, . . 18 



27. Right hind-leg of Bombus scrimshiranus „ ,, . . 19 



28. Right hind-leg of Hive-bee ,, „ . . 19 



29. Diagrammatic section of Arum . . . .28 



30. Pink in the first (male condition) 30 



31. Pink in the second condition, with mature stigmas . . 30 



32. TTiymus serpyllum, in the first condition, with ripe stamens 



(after Miiller) 31 



33. Thymus serpyllum, in the second condition, with mature 



stigma . . . . . . . . . .31 



34. Myosotis versicolor, young flower (from Nature) . . ■ Z^ 



35. Myosotis versicolor (o\i.ex flavi^x] . . . . 31 



36. Cleistogamous flower of Lamium amplexiraule (after Hilde- 



brand) ..... . . 33 



37. Section of ditto (after Hildebrand) ... -33 



38. Primula (long-styled form) . • ■ • • • 33 



39. Primula (short-styled form) 33 



40. Geranium pratense (after Bentham) 36 



41. G'«-a«/«OT/r(Tfe«jf, young flower (after Hildebrand) . .* 37 



42. Ge} :--.um pratense {oX&ex ^oyi^x) „ „ . . 37 



43. Mawa syhestris (after Sowerby) . . . .40 



44. Maha rotundifolia ,,,,.. .40 



45. Stamens and stigmas of Malva sylvestris (after Miiller) 41 



46. Stamens and stigmas of ^1/ffl/z'a ?'o/KHa?y&//<j; ,, ,, 41 



47. Epilobium an^ustifolium (after Sowerby) . . 42 



48. Epilobium parviflorum ,, „ .... 42 



49. Corolla of — a. Geranium pratense; b, G. pyrenaicum ; c, G. 



molle ; d, G.pusillutn . . .... .43 



50. Lychnis vespertina (after Bentham) ... -45 



51. A young flower of Delphinium elatum, seen from in front, and 



after removal of the calyx (after Miii 



52. Section of the same flower seen from the side ,, 



53. An older flower, seen from front, after removing calyx ,, 



54. Section of the same flower, seen from the side ,, 



55. Flower seen from above ,, 



56. Pistil with two stamens, after the visit of an insect ,, 



57. Section of a flower of Viola canina 



52 

 52 

 52 



52 



54 



54 

 59 



58. Stamen of a flower of Viola canina en 



