Dandelion, puffball of, 35, 36, 95. fruit cluster of, 60. plan of, 247, 248. flower head of, 252. strap flowers of, 254, 255. Dicotyledonous plants (plants with two seed leaves), 85-87. Dodder, 108-110, 114, 123. Dogwood, berries of, 42. Dogwood blossom, plan of, 245. Duckweed, 111. Dust boxes (anthers), position of, 14, 227. contents of, 17. function of, 188. varieties of, 193-195. Dutchman’s breeches, 203. E Easter lily, building plan of, 191. stamens of, 193. description of, 218, 219. Elm, seed of, 62. Enchanter’s nightshade, stamen of, 195. English ivy, 106, 107, 115, 116. Eucalyptus, perspiration of, 149. Evening primrose, a night-blooming flower, 229, 230. pollen of, 197. Evergreen leaves, 184. Evergreen plants, 171. Everlasting, 255. Eyes of potato, 104, 131. F False Solomon’s seal, 48. Ferns, 215. Fertilization, see “pollen.” Fibrous roots, 102, 103. Fir tree, trunk of, 121. Fireweed, pod of, 58. stamens and pistil of, 227, 228. Flax plant, 110. Fleshy root, 102-104. Flower cluster, 245, 246. Flower dust, see “pollen.” Flower head, 244, 247-255. Flower leaves, 192. Flowering plants, 22. Flowers, 187-255. with many pistils, 201, 202. with stamens only, 206-211. with pistils only, 207-211, 250. of trees, 209-211. night-opening, 228-230. design of odor of, 231. Food of plants, 143-148, 150. Forsythia, buds of, 129. Foxglove, garden, 225. Foxglove, yellow false, 112, 225, 226. Fruit, the plant’s object, 24. the seed holder, 33-36. defined, 34, 94. wild and cultivated, 39, 40. varieties of, 52-55, 95. function of, 95. formed from pistil, 202. Fruits and seeds, 9-73. G Garden foxglove, 225. Geranium, wild, 65, 66, 220. Golden-rod, fruit clusters of, 59. stamens of, 194, 195. plan of, 252, 253. description of, 254. Grass of Parnassus, pistil of, 200. Grass plants, classified, 88. H Hairy leaves, design of, 170-175. Hanging roots, 107. Haws, 49. Hemlock cone, 62. Hemlock tree, 171, 184. Hobblebush, leaves of, 215. buds of, 130. flower cluster of, 245, 246. Holly leaves, 174, 175. Hop hornbeam fruit, 62. Horse chestnut, buds of, 126, 128. Hyacinth, 216. I Indian corn, see “corn.” Indian cucumber root, 44, 45. Indian pipe, 112. Ivy, English, 106, 107, 115, 116. Ivy, Japanese, 116. Ivy, poison, 107, 115, 116. J Jack-in-the-pulpit, flower and berry of, 47. underground stem of, 105, 123. leaf of, 214. an early spring flower, 216. Japanese ivy, 116. Jewelweed, blossom of, 222. pod of, 65, 66. L Lady’s eardrop, 66. Lady’s slipper, 222. Laurel flower, pollen of, 197. Leaf blade, described, 136, 137. position of, 161. Leaf green (chlorophyll) described, 137. function of, 151-161.