INDEX. 



287 



Mycelium, 134 

 Myoporinese, 357 

 Myricaceae, 255 

 Myristicacese, 356 

 Myrsiuacese, 358 

 Myrtacese, 360 

 Myrtale Cohort, 260 

 Myrtles, 360 

 Myxomycetes, 106 



Naiadace^, 243 



Nagell's terms, Xylem and 

 PliloSm, 45 



Navioula, 131 (fig.) 



Nectar, 234 



Nelumbium, 276 (flg.) 



Neraalion, 153 



Nemalion, 153 (flg.) 



Nepenthaceae, 356 



Nepenthes, 273 



Nepenthes, 374 (flg.) 



Nettle, embryo, 331 (flg.) 



Nettles, 255 



Nettleworts, 355 



Nicotine, 83 



Nightshades, 357 



Nitella, 183 



Nitellese, 182 



Norfolk Island Pine, 235 



Nostoc, 113 



Nostoc, 112 (fig.) 



Nucleus, 5 



NudifloroB, 243 



Number of Dicotyledons, 253 



Number of Monocotyledons, 343 



Number of Species of Plants, 97 



Nutmegs, 356 



Nutrition of Parasites and Sapro- 

 phytes, 83 



Nyctaginaceee, 356 



NymphaeacesB, 263 



Oak, embryo, 231 (flg.) 

 Oaks, 355, 376 

 Oat, embryo, 331 (flg.) 

 Oats, 249 

 Ochnacese, 361 

 Odor of Flowers, 334 

 CEdogoniese, 133 

 CEdogonium, 133 

 (Edogonium, 132, 133 (figs.) 



Oil-receptacles, 58 



Olacads, 361 



Olacale Cohort. 261 



Olacinese, 261 



Oleacese, 358 



Oleasters, 355 



Olives, 258, 378 



OnagracesB, 260 



Onagrads, 360 



Onoclea, 303 



OSgone, 130 



oogonium, 130 



OSphyta, 130 



OSphytes, 130 



OSspore, 130 



Open Bundles, 49 



OphioglossacesB, 303 



Opliioglossum, 205 



Opium, 378 



Optimum Temperature, 87 



Orchids, 249 



Orchidacese, 345 



Orchids, 345 



Orchis, flower, 247 (flg.) 



Orders of Plants, 98 



Ornamental Dicotyledons, ?W5 



Ornamental Monocotyledons. 349 



Orobanchacece, 257 



Oscillaria, 112 



Oscillaria, 113 (flg.) 



Osmunda, 303 



Ostrich-fern, 303 



Ovary, 335 



Ovules, 63, 63, 314 



Ovules, development of 328 



Oxalic Acid, 83 



Packing, 191 



Palmacese, 244 



Palms, 244 



Palms, economic value of, 25D 



Palmyra Palm, 351 



Pandanacese, 344 



Pandorina. 116 



Pandorina, 117 (flg.) 



Papaveracese. 363 



Paraphyses, 163 



Parasites,. 78, 83 



Parenchyma, 15 



Parietale Cohort, 363 



Parsnips, 878 



