INDEX 



391 



Megasporangia, 332. 

 Megaspore, 332. 

 Megasporophyll, 349, 362. 

 Mesophyll, 39. 



Mesophytes, 175, 214. 

 Micropyle, 350. 

 Microsporangia, 332. 

 Microspores, 332. 

 Microsporophyll, 346, 359. 

 Migration, 147. 

 Mildews. 273. 

 Monocotyledon, 85, 365. 

 Mosaic. 24. 

 Mosses, 316. 

 Motile leaves, 10, 193. 

 Moulds, 276. 

 Mucor, 268. 

 Mushroom, 285. 

 Mycelium. 205. 

 Myeorhiza, 159. 



Naked flower. 364. 

 Nectar, 123. 

 Xostoc. 233. 

 Nucellus, 350. 

 Nucleus, 227. 

 Nutrition, 3, 149, 223. 



Oak, 69. 



(Edogonium, 238. 

 Oogonium, 231. 

 Oospore, 240. 

 Orchid. 98. 

 Oscillaria. 234. 

 Ovary, 125. 362. 

 Ovule, 350. 



Palm, 86. 



Parasite, 106. 150, 157. 



Peronspora, 271. 



Petal, 79. 



Petiole, 35. 



26 



Pha?ophycea3, 248. 



Photosynthesis, 28, 150. 



Phycomycetes, 267. 



Physiology, 149. 



Pine, 65, 66. 



Pistil, 77, 350, 363. 



Pitcher plants, 165. 



Pith, 83. 



Plastid, 228. 



Pleurococcus, 236. 



Pollen, 77, 346 ; tube, 351. 



Pollination, 77, 121, 123. 



Potato, 76. 



Protandry, 128. 



Protection, 41, 137, 189. 



Proteid, 153. 



Prothallium, 322. 



Protogyny, 128. 



Protonema, 303. 



Protoplasm, 227. 



Pteridophytes, 222, 320, 343, 344. 



Rain, 51. 



Raspberry, 91. 



Receptacle. 81. 



Redbud. 10. 



Reproduction. 3, 109, 223, 228. 



Respiration, 32, 154. 



Rhizoids, 308. 



Rhodophyeea?, 254. 



Rivalry, 146. 



Root, 89, 107. 138. 



Rootstock, 75. 



Root tubercles, 161. 



Rosette habit, 17, 47. 



Rubber tree, 104. 



Saprolegnia. 267. 

 Saprophyte, 150, 157. 

 Sargassum, 251. 

 Seed, 352 : dispersal, 79, 112. 



