LIST OF ILLUSTRATIONS. 



FIG. PAGE 



30. Primula (short-styled form) 31 



31. Knautia dipsacifolia 38 



32. Linncea 39 



33. Carltna 39 



34. Silene nutans 41 



35. Cat-famine chenopodifolia 45 



36. Vallisneria spiralis 51 



37. Viola hirta 54 



38. Viola canina 55 



39. Ditto, Seed-vessel with seed 56 



40. Ditto, Seed-vessel after ejecting the seed 57 



41. The Herb Robert (Geranium robertianttm] 58 



42. Geranium dissectum 59 



43. Geranium rob rtianum 61 



44. Common Vetch. Vicia septum 62 



45. The Squirting Cucumber (Momordica elateriuni) 63 



46. Seed-head of Poppy (Papaver} 65 



47. Seeds of Maple, Sycamore, Lime, Hornbeam, Elm, Birch, 



Pine, Fir, Ash 68 



48. Seeds of Willow Herb, Thrincia hitta, Tawarix, Willow, 



Cotton-grass, Bullrush 71 



49. Myzodendron (after Hooker) 73 



50. Seeds of Burdock, Agrimony, Bur Parsley, Enchanter's Night- 



shade, Cleavers, Forget-me-nots 76 



51. Seeds of Harpa^ophyton procumbens and Marty nia proboscidea. 77 



52. Vicia amphicarpa 86 



53. Lathy rus amphicarpus (after Sowerby) 87 



54. Eurodium glaucophyllum (after Sweet) 89 



55. Seed of Stipa pennata 91 



56. Seeds of Corydalis heterocarpa 92 



57. Pod of Scorpiurus subvillosa and S. vermiatlata 94 



58. Pod of Biserrula 95 



58^. Seed of Castor Oil (Ricinus) 95 



58*:. Seed of Jatropha 95 



59. Leaves of Beech 97 



60. Leaves of Lime 103 



61. Leaves of Beech 104 



62. Leaves of Elm 1^5 



63. Leaves of Castanea 106 



64. Leaves of Castanea and Beech 106 



65. Leaves of Yew 107 



66. Leaves of Box 107 



