566 



Minnesota Plant Life. 



Violet, Labrador, 329 



Lance-leafed, 329 



Larkspur-leafed, 328 



Long-spurred, 329 



Marsh-, 328 



Meadow, 328 



Nuttall's, 329 



Prairie, 328 



Round-leafed, 328 



Sweet, 328 



Sweet white (Engr.), 328 



wood-sorrel, 306 



Yellow, Common, 329 



Yellow, Smooth, 329 



Virginia creeper (Half-tone, 

 322, 433), 319, 321, 336 



ground-cherry, 378 



lungwort, 372 



waterleaf, 370 



Volvox, 35 



Wagon-tongues, Manufactured 



from hickory, 244 



Wahoo, 309, 312 



Wakerobin, 225 



Walking- fern,, 165, 512 



Walnut, 243 



Seed distribution, 20 



Black, 243, 244 



Wand plants, 



303, 397, 404, 406, 418, 470, 472, 478 

 Warm water algae, 42 



Warming-up color, 265, 425, 426, 432 

 color, Arum, 218 



color, Peat-moss, 146 



color, Skunk-cabbage, 218 



Waste products., Bacteria, 103 



Water current, 21 



plants, Ripening of seeds, 272 

 plants, Zonal distribution, 12 



-reservoir cells, Peat-moss, 145 

 Transpiration, 436 



-beech, 246 



bur-marigold, 449 



-buttercup, 272, 448 



-buttercup, Fruit, 272 



-buttercup, Submerged leaves, 417 

 cress, 275, 278 



crowfoot, Submerged leaves, 417 

 -dock, 258 



eel-grass,, 449, 450 



eel-grass, Holdfast, 447 



-fennel, 308 



-fern, 161, 444, 506, 



515, 5i6, 519, 520 



Water-fern, Four-leaved, 



164, 1 66, 173, 448, 518 

 -fern, Four-leaved, Spore-pro- 

 ducing leaves, 166 

 -flower, 29, 30, 41, 443 

 -flower, Formation of gas 



bubbles, 29 



-hemlock, 338 



-hemp, 259, 261 



-hoarhound, 377 



-horse-tail, 178 



-hyacinth (See pickerel-weed), 222 

 -hyacinth, Counterpoise area, 444 

 -lily, 13, 264, 266, 273, 448, 449, 451 

 -lily family, 264 



-lily, Leaves, 435 



-lily, Seed, 267 



-lily, Small white, 266 



-lobelia, 396, 448, 449, 450 



-lobelia. Leaves, 417 



-marigold, 411 



-milfoil, 332, 335, 448, 450, 452 

 -milfoil, Resemblance to blad- 



derwort, 384 



-mint, 377 



-moss, 448 



-net, 36 



plant, 418, 447 



plant, Annual, 450 



plant, Attached, 446 



plant, Leaves, 450 



plant, Perennial, 450 



plant, Propagation, 451 



plant, Retraction of fruit. 452 



plant, Stems, 450 



-pocket, Liverwort, 142 



-parsnip (Engr. 338), 338 



-pimpernel, 358 



-plantain, 197, 201 



-purslane, 333 



-shield (Engr. 264), 



13, 264, 433, 449 



-silk, 512, 520 



-smartweed, 258,, 448 



star-grass, 217, 222 



-starwort, 305, 308, 450, 451 



Waterleaf, 367, 370 



Appendaged, 370 



Virginia (Engr. 370), 370 



Watermelon, 395 



Waterweed, 203, 450, 451, 453 



Wedge-leafed cherry, 293 



Weeds (Half-tone, 479), n, 476 



Loco-, 302 



