INDEX. 
Mycelium, 124 
Myoporinee, 257 
Myricacee, 255 
Myristicacese, 256 
Myrsinacee, 258 
Myrtaceze, 260 
Myrtale Cohort, 260 
Myrtles, 260 
Myxomycetes, 106 
NAIADACE, 243 
Nigeli’s terms, 
Phloém, 45 
Navicula, 121 (fig.) 
Nectar, 234 
Nelumbium, 276 (fig.) 
Nemalion, 153 
Nemalion, 153 (fig.) 
Nepenthacee, 256 
Nepenthes, 273 
Nepenthes, 274 (fig.) 
Nettle, embryo, 231 (fig.) 
Nettles, 255 
Nettleworts, 255 
Nicotine, 83 
Nightshades, 257 
Nitella, 182 ~ 
Nitelleze, 182 
Norfolk Island Pine, 225 
Nostoc, 112 
Nostoc, 112 (fig.) 
Nucleus, 5 
Nudiflors, 243 
Number of Dicotyledons, 253 
Number of Monocotyledons, 243 
Number of Species of Plants, 97 
Nutmegs, 256 
Nutrition of Parasites and Sapro- 
phytes, 82 
Nyctaginacee, 256 
Nympheacer, 263 
Xylem and 
Oax, embryo, 281 (fig.) 
Oaks, 255, 276 
Oat, embryo, 231 (fig.) 
Oats, 249 
Ochnaceex, 261 
Odor of Flowers, 234 
Cdogonier, 132 
Cdogonium, 132 
CEdogonium, 1382, 133 (figs.) 
287 
Oil-receptacles, 58 
Olacads, 261 
Olacale Cohort, 261 
Olacines, 261 
Oleacer, 258 
Oleasters, 255 
Olives, 258, 278 
Ouagracee, 260 
Onagrads, 260 
Onoclea, 203 
, Odgone, 130 
Odgonium, 180 
Odphyta, 130 
Odphytes, 130 
Odspore, 130 
Open Bundles, 49 
Ophioglossaceze, 203 
Ophioglossum, 205 
Opium, 278 
Optimum Temperature, 87% 
Orchids, 249 
Orchidacee, 245 
Orchids, 245 
Orchis, flower, 247 (fig.) 
Orders of Plants, 98 
Ornamental Dicotyledons, 275 
Ornamental Monocotyledons, 249 
Orobanchacee, 257 
Oscillaria, 112 
Oscillaria, 112 (fig.) 
Osmunda, 203 
Ostrich-fern, 203 
Ovary, 225 
Ovules, 62, 63, 214 
Ovules, development of 228 
Oxalic Acid, 83 
Pacxine, 191 
Palmacee, 244 
Palms, 244 
Palms, economic value of, 250 
Palmyra Palm, 251 
Pandanacee, 244 
Pandorina, 116 
Pandorina, 117 (fig.) 
Papaveracee, 263 
Paraphyses, 162 
Parasites, 78, 82 
Parenchyma, 15 
Parietale Cohort, 263 
Parsnips, 278 
