INDEX 
375 
Myrtaceae, 320 
Myrtales, 318 
Myrtiflorae, 318 
Myrtle Family, 320 
Myxogastrales, 3 
Myxomycetes, 184 
Natural system, 2 
Naturalized, defined, 1 
Negundo, 307 
Nepenthes, 64 
Nepenthin, 64 
Nepeta, cataria, 344 
Nephrodium. See Dryopteris. 
Nicotiana tabacum, 339 
Nicotine, micro-chemic test for, 53 
Nidulariales, 227 
Nightshade, 339 
Node, 98 
Non-protoplasmic cell contents, 45-64 
Nostoc, 184 
Nucellus, 155, 169 
Nuclear membrane, 39 
Nuclei, assisting, 159 
polar, 159 
Nucleins, 57, 58 
Nucleolus, 38 
Nucleus, 40 
• division, 43, 44 
endosperm, 159 
Nut, 164 
Nutgall, Fig. of, 266 
Nutlet, 163 
Nux Vomica, 169, 330 
Nyssa, 325 
Ochrea, 129 
Octant cells, 23 
Ocrea, 269 
Ocular micrometer, 1 1 
CEdogonium, 42 
Oil, cedarwood, 244 
chaulmoogra, 316 
cocoanut, 248 
linseed, 295 
palm, 248 
Oil, rose geranium, 294 
Oils, fixed, 59 
nitrogenated, 60 
oxygenated, 60 
sulphurated, 60 
volatile, 60 
Olea Europaea, 329 
Oleaceae, 328 
Oleander, latex of, 62 
Oleoresins, 60, 61 
Olibanum, 300 
Olive Family, 328 
Oleum anisi, 272 
auranlii florum, 299 
betulae, 265 
bergamottae, 299 
cadinum, 244 
cajeputi, 323 
chenopodii, 272 
cinnamomi, 280 
erigerontis, 355 
gossypii seminis, 313 
juniperi, 244 
lavendulae, 344 
myristicae, 278 
pini pumilionis, 244 
rosmarini, 344 
ricini, 303 
santale, 268 
sesami, 342 
terebinthinae, 244 
theobromatis, 31 1 
thy mi, 344 
tighi, 303 
Oogonia, 191, 192 
Oogonium, 194 
Oomycetes, 199 
Oosphore, 22, 67, 159, 192, 194 
Operculina Turpethum, 335 
Operculum, 236 
Ophioglossales, 4 
Opium, 62, 281 
Optical combination, 12 
Opuntia, 317 
Opuntiales, 317 
