566 



Minnesota Plant Life. 



Violet. Labrador, 329 



Lance-lcafed, 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 



Water-fern, Four-leaved, 



164, 166, 173. 448, 518 

 -fern. Four-leaved, Spore-pro- 

 ducing leaves, 166 

 -flower, 29,30,41.443 

 -Hower. 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, 440. 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 (Kngr. 264). 



13, 2()4. 433. 449 



-silk. 512,520 



-smartwecd. 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-, .^02 



