INDEX 



Mould, 52-53, Fig. 17, p. 53, s 30, 31. 

 Mountain Flowers, 197, 198. 

 Mountain Mahogany, s 65. 

 Mountain Phlox, or Pink, 116, 117, 



Fig. 43, p. 116, s 70. 

 Mountain Plants, s 120-121. 

 Mountain Trees, 109. 

 Mouse Ear, s 74. 

 Movements of Roots, s 16. 

 Movements of Sap, s 18, 19. 

 Muilla, s 56. 



Mulberry, 172, 174, s 109. 

 Mullein, s 85. 

 Mushroom, 59, s 34-35- 

 Mustard, 112, 113, 200, 202, s 68, 



in, 123. 

 Mustard Family, 113, 175, 176,8 67- 



68. 



Mustard Seeds, s 14. 

 Mycelium, s 31, 32, 34. 



Naiadaceae, s 104. 



Naked-Seeded Plants, 161, 162. 



See also Gymnosperms. 

 Nasturtium (Water Cress), s 28, 



124. 

 Nasturtium (Tropaeolum), 29, 35, 



s 13, 80, 81, 82, 122. 

 Native Weeds, 201. 

 Nelumbium, s in. 

 Nemophila, 117, 119, 200, Fig. 44, 



p. 117,869, 70, 71, 121. 

 Nereocystis, s 8. 

 Nettle, 174, 210, s 32, 109, 125. 

 Nicotiana, s 73, 127. 

 Night-Blooming Cereus, 189, s 118. 

 Nightshade, 40, 114, 122, 123, 181, 



Fig- 47, P 122, s 21, 69, 73. 

 Nightshade Family (Solanaceae), 



181, s 69. 



Nitrogen, 35, 52, s 5, 17. 

 Norway, 161. 



Notholcena, s 46. 



Nucleus, s 4. 



Nutmeg, 175, s in. 



Nut-Pine, s 100. 



Nuts, Protection and Distribution 



of, 28, 105. 

 Nyctaginaceae, s no. 



Oak, 172, s 59, 60, 61. See also 



Live Oak. 

 Oats, Wild, 168-170, Fig. 63, p. 169, 



s 106, 123. 

 Odor of Plants, 41. 

 (Enothera, 114, Fig. 42, p. 113, s 



69. 



Oil, 27, 38, s 12. 

 Okra, 176. 

 Oleander, s 114. 

 Olive, 182, s 114. 

 Onagraceae, see Evening- Primrose 



Family. 



Onion, 82, 34, 163, 164, s 56. 

 Oogonium, s 10. 

 Opuntia, 189, 191, Fig. 67, p. 190, s 



117, 118. 

 Opium, sin. 

 Orange, 108, 177. 

 Orchard Trees, s 62. 

 Orchids, 171, s 107, 120. 

 Oregon Pine, s 100. 

 Organic Substances, 19, 35-38, s 5, 



19- 

 Orthocarpus, 142, 207, Fig. 54, p. 



143,554, 85, 125. 

 Oscillatoria, s 7. 

 Ovary, Definition of, 85. 

 Ovule, Definition of, 85, s n, 44. 

 Owl's Clover, s 84, 85, 125. 

 Oxalis, s 38, 80, 81. 

 Oxygen, 19, 24, 37, 34-5, 18, 29. 



Paeonia, see Peony. 



