398 



INDEX 



Myriothamnaccae, 3G9 

 Myriotrichiaceae, 337 

 Myristicaceae, 3G1 

 Myrsinaceae, 3G5 

 Myrtaceae, 3G9 

 Myrtales, 3G9 

 Myrtles, 3G9 

 Myrtus, 370 

 Myxobacteriaceae, 331 

 Myxophyceae, 1G3, 330 

 Myzodendraceae, 371 



N 



Naiadaceae, 358 

 Names of plants, 159 

 Narcissus, 3G0 

 Nastic movements, 128 

 Natural Selection, 113 

 Navicula, 334 

 Naviculaceae, 334 

 Naviculales, 334 

 Neckera, 351 

 Neckeraceae, 351 

 Nectar of flowers, 322 

 Nectria, 343 

 Nectrioidaceae, 347 

 Neluinbaceae, 361 

 Nelumbo, 361 

 Nemalion, 207, 338 

 Nemalionales, 338 

 Nemastomaceae, 338 

 Nematocaceae, 351 

 Nepenthaceae, 362 

 Nepeta, 367 

 Nephrodium, 353 

 Nereocystis, 201, 337 

 Nerium, 367 

 Netted-veined, 301 

 Nettles, 362 



New Cells, formation of, 19 

 Nicotiana, 306, 366 

 Nicotine, 150 

 Nidularia, 345 

 Nidulariaceae, 345 

 Nidulariales, 228, 345 

 Nightshades, 366 

 Nigredo, 347 

 Nitella, 194, 336 

 Nitellaceae, 194, 336 

 Nitophyllum, 209, 339 



Nitric acid, 139 

 Nolanaceae, 366 

 i^ostoc, 165, 331 

 ^Nostocaceae, 165, 331 

 Nucleus, 1 



Number of plants, 157 

 Numerical data, 327 

 Nutation, 123 

 Nutrition, 71 

 Nutritive tissues, 65 

 Nux vomica, 150 

 Nyctaginaceae, 365 

 Nymphaea, 364 

 Nymphaeaceae, 364 

 Nyssa, 372 



Oak, 310 



Oat Grasses, 359 



Smut, 237 

 Ochnaceae, 363 

 Octaviana, 344 

 Odors of flowers, 322 

 Oedogoniaceae, 174, 333 

 ,:yOedogonium, 174, 333 

 'Oedopodiaceae, 350 

 Oenothera, 309, 370 

 Oenotheraceae, 370 

 Oidium, 348 

 Oils, 14 

 Olacaceae, 371 

 Old Calamites, 264, 353 



-fashioned Ferns, 257, 352 



Pines, 278, 356 

 Olea, 366 

 Oleaceae, 366 

 Oleic acid, 143 

 Olein, 143 

 Oliniaceae, 371 

 Olives, 366 

 Olpidium, 332 

 Onion, 320 

 Onoclea, 259 

 Onygenaceae, 34 

 Oogones, 174 

 Oospora, 348 

 Opegrapha, 342 

 Open bundles, 59 

 Operculum, 252 

 Ophiogloss^kceae, 352 



