INDEX. 



139 



Light not essential to all flowers, 30. 

 Lily, the emblem of purity, 50. 



many varieties, 51. 



of the New Testament, 55. 



of the Old Testament, 54. 

 Live Oak, 91, 92. 

 Locust, 110. 



Lombardy Poplar, 103, 106. 

 Lotus, 54. 

 London's Arboretum, quoted, 94-97. 



Magdalen Oak, 96. 



Magnolia, 111. 



Maize, 17. 



Marine plants, 65. 



Marvel of Peru, 32. 



Meadow-grass, recuperative power 



of 23 



Merton Oak, 94. 

 Michaelmas Daisy, 48. 

 Milfoil, 66. 

 Mimosa, 82. 

 Morning-Glories, 44. 

 Mosses, 70. 

 Mould, 70. 

 Mount Etna, famous cheatnut-tree 



of, 98. 



Mummy wheat, 15. 

 Myriopliyllum, 66. 



Napoleon's Willow, 102. 



Nature's power of adaptation, 78, 



79. 



Nectary, 27. 



Night-blooming Cereus, 30, 31. 

 Night-blooming flowers, 30. 



Oak, growth of, described, 89, 90. 

 in Syria, confined mostly to ele- 

 vated positions, 'J2. 

 its resemblance to the chest- 

 nut, 97, 98. 

 varieties of, 88. 

 Oaks, several celebrated English, 



described, 94-97. 

 Oats, 17, 18. 

 Old trees, 94, 96, 98, 99,108,109,120, 



122. 



Orchids, 42, 43. 



Orders of the vegetable kingdom, 12. 

 Ornamental trees of American 



forests, 110. 

 Ovary, 27. 

 Oxygenation of air by leaves, 60. 



Palestine, oaks )f, 92. 



Palm, 124-135. 



almost exclusively tropical, 133. 



emblem of uprightness, 134. 



leaves of, 126. 



of Scripture, 135. 



utility of, 127. 

 Palm-branches emblems of victory, 



134. 



Palms, leaves of, formerly used in 

 India as paper, 131. 



of South America, 131, 132. 

 Palmetto, 133. 

 Pampas Grass, 22. 

 Panicle, 29. 



figured, 32. 

 Paper Birch, 104. 

 Paper of the ancients, 20. 

 Papyrus, 19-21. 

 Pashiuba Palm, 132. 

 Passion-Flower, 40, 41. 



Barton's verses on, 41. 

 Peduncle, 29. 

 Perennials, 83. 

 Perfumes highly esteemed by the 



ancient Jews, 81. 



Period of rest in plants, how indi- 

 cated, 74. 

 Petals, 27. 



Picture-writings of the Mexicans,39. 

 Pines of the United States Pacific 



coast, 116. 

 Pistils, 27. 

 Pitcher Plant, 79. 

 Plants adapted to air and water, 66. 



evolve oxygen in daytime, 59. 



of cold countries usually have 

 white flowers, 73. 



power of motion in, 81-83. 



resemblance of their functions 

 to those of animals, 58. 



respiration of, 58, 59. 



their season of rest, 74. 

 Plato's laws engraved on cypress- 

 wood, 119. 

 Pollen, 28. 

 Pond Lily, 54. 

 Poplar, 103, 106, 107. 



Lombardy, 103, 106. 

 Pride of India, 110. 

 Primrose, Evening, 31. 

 Pulque, 40. 



Kaceme, 29. 



figured, 30. 

 Radical, 35. 

 Reflected flowers, 28. 



