INDEX 



361 



Light, plant associations, 326. 

 Liliaceic, 277. 

 Lilies, 277. 

 Lime, 300. 

 Liverworts, 165. 

 Lucerne, 293. 

 Lycopodium, 202. 

 Lycopods, 201. 



Madders, 307. 



Maize, 268. 



Male cell, 235. 



Mandarin, '_ )( .M>. 



Mangrove swamp, 336. 



Maple sap, 58. 



Man-bant ia, 167. 



Meadows, 345. 



Megaspore, Angiosperm, 235; coni- 

 fer, 214; Selaginella, 205. 



Mesophyll, 17. 



Mesophytes, 327, 345. 



Microbe, 130. 



Micropyle, 229. 



Microspore, conifers, 212; Sela- 

 ginella, 205. 



Mildew, 144; downy, 142. 



Midrib, 7. 



Mold, black, 139. 



Monocotyledons, 50, 56, 230; 

 classification, 262 ; embryo, 

 237. 



Morel, 148. 



Mosaic, 13. 



Moss, 175 ; flower, 177 ; groups, 

 181. 



Motile leaves, 30. 



Mucor, 139. 



Mushroom, 153. 



Muskmelon, 314. 



Mustard Family, 286. 



Mycelium, 140. 



Mycorhiza, 159. 



Nectar, 36, 242. 

 Needle-leaves, 211. 

 Nepenthes, 38. 

 Nightshades, 304. 

 Nitrogen fixation, 134, 135. 

 Node, 5, 41. 

 Nostoc, 99. 

 Nucellus, 229. 

 Nucleus, 103. 

 Nutmeg melon, 314. 

 Nutrition, 3. 



Oats, 266. 



(Edogonium, 108. 



Olive, 313. 



Oogonium, Fucus, 124; mildew, 



145; (Edogonium, 110; Perono- 



spora, 143; red Algae, 126; 



Vaucheria, 112. 

 Oospore, 107. 

 Orange, 299. 

 Orchidaceae, 278. 

 Orchids, 278; pollination, 248. 

 Organ, 3. 

 Oscillatoria, 100. 

 Osmosis, 79. 

 Ovary, 227. 

 Ovule, Angiosperm, 228; conifer 



214. 



Palisade layer, 25. 

 Palisade tissue, 17. 

 Palms, 271. 

 Pappus, 310. 

 Parasite, 129. 

 Pasture grass, 271. 

 Pea, 293. 

 Peach, 288. 

 Peanut, 294. 

 Pear, 291. 



Peat, 175; bogs, 336. 

 Perianth, 222. 



