Minnesota Plant Life. 



Nettle (Half-tone, 254), 



234, 243, 251, 254 



Nettle, Dead-, 375 



False, 254 



Hedge-, 375, 376 



Hemp-, 376 



-leafed verbena, 374 



Slender, 254 



Stinging, 254 



Wood, 254, 255 



New Jersey tea, 319 



New Ulm, 23, 262, 330, 332 



Nicollet county, 297 



Nightshade, 367, 378 



family, 378 



Nightshade, Black, 378 



Climbing, 379 



Cut-leafed, 378 



Deadly, 378 



Enchanter's, 335 



Prickly, 378 



Ninebark, 286 



Nitragin, 118 



Nitrogen bacteria, 117 



salts, 103 



Nitrifying bacteria, 102, 117 



Norway pine (See red pine), 188 



Nothocalais, 404 



Noxious algae, 41 



Northwest angle, Inlet, 461 



Nucleus, 494 



Nutation, 500, 504 



Nutrition, 431, 439, 488, 489 



Bacteria, 102 



Bacteria, Purple, . 116 



Bladderwort, 384 



Butter wort, 385 



Cow-wheat, 383 



Dodder, 368, 369 



Euglena, 445 



Fern, 48 



Flowering plant, 48 



Fungi, 48, 87 



Higher plants, 103, 118, 119 



Mildew, 46 



Moss, 48 



Pine-sap, 353 



Pitcher-plant, 278, 418 



Pond-scum, 33 



Purple bacteria, 116 



Sundew, 280, 418 



Nuttall's violet, 329 



Oak (Half-tone, 245, 250. Engr. 



249), 243, 249, 252, 428, 470, 475, 478 



Oak-barren, 



Gall, 



scrub, 



Seed distribution, 

 Oak, Black, 



Bur, 



Chestnut, 



Chestnut, Scrub, 



Live-, 



Poison-, 



Pore-fungus, 



Red, 



Root-fungus, 



Scarlet, 



White, 

 Oats, 



Smut, 

 Oblong-leafed gentian, 



470, 478 

 504 

 477 



20 



249,250,251 



249, 251 



249, 251 



249,251 



428 



309, 310 



58 



249, 250 



89 



249, 250, 251 

 249, 251 

 205 

 48 

 362 



Odor, Algae with pig-pen, 41 



Desert plants, 465 



Mushroom with prussic acid, 65 



Offset, 512 



Oil, 49l 



Ledum, 354 



Old man's beard (Lichen), 91, 98 



Oleander, 435 



Olive, 360 



One-flowered cancerroot, 386 



Wintergreen, 350 



Onion, 450, 471, 491, 511 



Wild, 225 



Orange, 305 



Osage, 251 



Orchid 



(Half-tone, n), 5, 146, 224, 228, 



438, 459, 46o, 463, 474, 515, 516, 525 



family, 474 



Flower, 347, 348 



Insect pollination, 229 



Microscopic female, 483 



Poisonous, 232 



Position of, 349, 415 



Rein, 228, 231 



Root-fungus, 89 



Round-leafed, 229 



Tree-top, 428, 472, 481 



Tress, 228, 231 



Orchis, Wild (Engr.), 230 



Orders, 198 



Organs, Irritability, 500 



Polarity in, 501 



Organism, Death of, 484 



Origin, Cell, 493 



Color in flowers, 426 



