Part 58

63. Describe the walking fern.

64. What can you tell me of coal?

65. What is the use of pollen in the plant?

66. Are stamens and pistils always in the same flower?

67. What is necessary to the production of good seed?

68. How do insects convey pollen from flower to flower?

69. What has the flower to tempt insects?

70. What has the plant to keep away certain insects?

71. Tell me about the methods of insects in getting honey.

72. What plants have the pollen carried by the wind?

73. Why does the insect visit the flower?

74. Of what color are the flowers that need night-flying insects?

75. What can you say about the scattering of seeds?

76. How are some seeds blown about?

77. How do birds help in carrying seeds?

78. What is there about seeds to attract the birds?

79 What can you tell me of air-plants?

80. How do they get their nourishment?

81. Tell me something about water-plants.

82. What two shapes of leaves do some water-plants have?

83. Of what shape are most of the leaves that grow under water?

84. Why do they have these fringe-like shapes?

85. Of what shape are leaves that lie upon the water?

86. What kind of leaves have plants that grow in sand?

87. What use do these leaves serve?

88. Why are most plants that grow in sand prickly?

89. What can you tell me of a cactus-plant?

90. What long name have animal-eating plants?