270 
Leaf-arrangement, 40. 
Leaf-bases, 86. 
Leaf-buds, 80. 
Leaf disguises, 107. 
Leaf, fall of, 124, 125. 
Leaf-like stems, 49. 
Leaf-margins, 87. 
Leaf-outlines, 85. 
Leaf-spine, 102. 
Leaf-stalk, 86. 
Leaf-tendril, 103, 104. 
Leaf-tips, 86. 
Leaf-trace, 111, 112. 
Leaves, arrangement of, 94-98. 
Leaves as insect-traps, 104, 105. 
Leaves, movements of, 98-101, 108, 
104. 
Leaves, functions of, 112-125. 
Legume, 183. 
Lemon, study of, 182, 183. 
Lenticel, 52, 67. 
Liana, 45, 50. 
Lichens, 234, 235. 
Light, 118, 119. 
Light, effect on germination, 6, 7. 
Light, movements towards, 100, 
101. 
Lily leaf, 108, 109. 
Lime, 117. 
Linden bark, 54. 
Linden fruit, 188. 
Linden wood, structure of, 54. 
Linear, 85. 
Living parts of the stem, 67. 
Lobed, having rounded segments, 
like the oak leaf in Fig. 77. 
Mahogany wood, structure of, 57. 
Mallows, fertilization in, 170, 171. 
Malt, 10. 
INDEX. 
Maltose, 75. 
Maple fruit, 187. 
Maple leaf, 88, 89. 
Maple, seedling, 15. 
Maple wood, structure of, 56. 
Medullary ray, 31, 53, 59, 62. 
Melon-cactus, 50. 
Metabolism, 122, 128. 
Midrib, 87. 
Millon’s reagent, 25. 
Mineral matter accumulated in the 
leaf, 117. 
Mistletoe, 28. 
Monadelphous, 147. 
Monocotyledons, 17. 
Monocotyledonous, 17. 
Monocotyledonous stem, 65, 66. 
Monocotyledonous stems, rise of 
water in, 66. 
Moneecious, 145. 
Monotropa, 120, 121. 
Morning-glory, rate of increase of, 
199, 200. 
Morphology, 1, 16. 
Moss, study of, 255-239. 
Mosses, 239-241. 
Moths, 167. 
Mould, black, study of, 250-232. 
Movements of floral organs, 171, 
172. 
Movements of leaves, 98-101. 
Movement of water in plants, 
68-72. 
Movements toward light, 100, 
101. 
Mucronate, 86. 
Mulberry, 195. 
Multiple fruits, 195. 
Multiple primary roots, 29. 
Multiplication of cells, 220. 5 
