65. To show the giving off of gas by leaves, and that
sunlight is necessary for it 118

66. Seedling radishes reaching for light 119

67. Elm leaves injured by the "imported elm-tree
leaf-beetle," a chewing insect 119

68. A horse-chestnut stem, showing leaves, buds, and
scars, where last year's leaves dropped off 128

69. An underground stem. Buds show distinctly 129

70. Flower of cherry 130

71. Flower of apple 130

72. Pistil and stamen of flowering raspberry 131

73. Flower of buttercup 131

74. A magnolia flower showing central column of pistils
and stamens 134

75. Flowers of squash 135

76. Flower of a lily 136

77. Bud and flower of jewel-weed or "touch-me-not" 137