554 



Minnesota Plant Life. 



Pitcher-plant, Bacteria, 279 

 -plant, Nutrition, 278, 418 

 Plankton, 443 

 Planktonic flowering plants, 445 

 Plant, Adaptations against cold, 425 

 Adaptations, Defensive, 506 

 Adaptations against evapora- 

 tion, 437 

 Adaptations against illumi- 

 nation, 433 

 Adaptations, Influences af- 

 fecting, 480 

 Adaptations, Intra-specifk, 440 

 Adaptations against loss of 



heat, 427 



Adaptations to moisture, 434 

 Adaptations for reducing 



transpiration, 455 

 Adaptations, Seed distribu- 

 tion, 440 

 Adaptations to surroundings, 417 

 Adaptational groups, 417, 442 

 Animal types of defense, 505 

 Architectural structure, 



179, 418, 424, 505 



armor, 506 

 Branch system, 422, 423 



Climatic history, 427 



Comparison with animals, 25 



Dangers, exposed to, 



diseases, 



distribution, 



Erect habit, 



Food (See nutrition), 



Effect of light on, 



Growth, Hours of, 



506 



IOQ 



5, 18, 21 

 130 



488, 489 

 428 

 43i 



Growth, Temperature limit, 424 



individual, Maintenance 



Lower seed, 



Number in Minnesota, 



Origin of flowering, 



migrating, Struggles, 



organs, Elasticity, 



organs, Irritability, 



organs, Polanty, 



products, 



Introduced, 



Leaf-shedding habit, 



Leafless habit, 



in Minnesota, Number, 



in the world, Number, 



Parasites on land, 



partnerships, 



Peat-bog, 



483 



194, 517 

 27 

 174 

 24 

 42 r 

 500 

 501 

 491 

 ii 

 425 



214, 457 

 26 

 26 

 46 



89,93, H7 

 146 



Plant populations in a state of 

 tension, IQ 



Relation to other living 



things, 438 



Root system, 434 , 435 



Seed-producing, 184 



Self defense, 505 



species, Maintenance, 509 



Stem, 8, 418 



Starch-making of green, 429 



Terrestrial, Aquatic, nature of, 196 

 Transpiration of water, 436 



Two-leaved seedlings, 233 



zones, 10 



Air-, 472, 489 



Aquatic, 417, 418, 422, 434, 442, 



447, 450, 489 



Aquatic, Reproduction, 451 



Aquatic, Retraction of fruit, 452 

 Bar, 447 



Bar, Distribution, 451 



Bog, 436 



Braced-, 179 



Camphor, 326 



Carnivorous, 



278, 418, 438, 460, 481, 489 

 Carpet, 211 



Cheese, 323 



Climbing, 439 



Indigo-, 280 



Desert, 418, 428, 



436, 442, 463, 481, 506 

 Desert, Leaves, 464 



Desert, Odor, 437, 465 



Evergreen, 428 



Flowering, 490, 514, 518 



Green, 488 



Higher, 196, 490, 513, 523, 525 



Higher, Comparison of 



lichens with, 98 



Higher, Difference between 



higher animals and, 128 



Higher, Fecundated egg, 128 

 Higher, Nutrition, 103, 118, 119 

 Higher, Origin, 129, 196 



Higher, Origin of root, 157 



Higher, Prostrate stems, 131 



Humus, 479, 489 



Lead-, 298, 301 



Marsh, 418, 436 



Mat, 211,418,429,434,470,480 

 Perching, 418 



Rain-water, 446 



Roadside, 10 



