Minnesota Plant Life. 



539 



Fir, 186 



Flower, 347 



Seed distribution, 20 



Firewood, Jack pine, oak, tam- 

 arack, white poplar, 



190, 191, 238, 250 



First-stage, Liverwort, 124, 128 



Moss, 124, 128, 151 



Fish-mould, 45, 513, 515 



Life-history, 46 



parasites, 45 



Spermatozoids, 46 



Fivefinger, 289 



Resemblance to anemone, 290 

 Marsh, 289 



Flag, Blue (Half-tone, 12, 225, 



226,250), 219,224,227,437 



Blue, Flower, 348 



Sweet (Half-tone, 12), 219,437 



Flax, 305, 306, 475 



seed, 306 



Flax, Grooved yellow, 306 



Stiff yellow, 306 



Toad-, 380, 438 



Wild blue, 306 



Fleabane, 401, 402, 407, 469 



Flesh-eating fungus, 58 



Fleur-de-lis (see blue flag), 227 



Floating leaves, 449 



arrowhead, 448, 449 



fern, 164, 168, 220 



fern, Alga in leaves, 169 



fern, Root-caps, 220 



-heart, 364 



liverworts, 132 



marsh-marigold, 268 



Riccia, 443 



Flooring, Manufactured from 

 sugar maple, 316 



Flora, North America, 16 



Florida milkweed, 367 



Flower, 414 



Alpine colors, 425 



Autumn, 426, 479 



axis, Development, 345 



axis, Anemone, 345 



axis, Mousetail, 345 



axis, Rose, 345 



axis, Strawberry, 345 



Bilateral symmetry, 228 



Closing of at night, 427 



-cluster, Development, 414 



-cluster, Composite family, 414 

 Definition, 184, 346 



Flower, Development, 343 



Irregularity, 348 



High types, 343 



Law of variation, 343 



Low types, 343 



Origin, 343, 440 



Spring, 426, 479 



Perfect, 321 



Polar colors, 425 



Prototype of, 343 



Radial symmetry, 228 



Sleep-position, 427 



Typical, Definition of, 346 



Typical Development of, 346 

 Why one of higher type than 



another, 349 



Passion, 326 



-of-an-hour, 325 



-pot alga, 35 



Spider, 275 



State, 231 



Flowering plant, 490, 514, 516, 518, 520 



Honey secretion, 515 



Number in Minnesota, 27 



Nutrition, 48 



Origin, 174 



Planktonic, 445 



Flowering-currant, 284 



dogwood, 340, 416 



fern, 164 



Spurge, 308 



Flowering Spurge, Resemblance 



to dogbane, 308 



Fly-cholera fungus, 45, 438, 514 



honeysuckle, 392 



Fogfruit, 373, 374 



Food-material, Reserve, 426 

 Partnerships for obtaining, 489 



Plant, 488, 489 



Storage, 490 



Disposal, 4Qi 



Forage plants, 21 



Forces harmful to bacteria, 104 



Forest (Half-tone), 7 

 Dominant plants, 7 

 and prairie, Difference be- 

 tween, 8, 14 

 Hardwood (Half-tone, 480), 



252, 475, 478 



horse-tail, 178 



Minnesota, 6, 12 



Pine, 472 



Forget-me-not, 371, 372 



