528 



Minnesota Plant Life. 



Alkaloids, 5o6 



Fungus, 



veratrine, 226 



Alliance between trees and ants, 507 

 Almond, 280, 292 



Alternation of generations, 128, 523 

 Definition, 123 



Alternate-leafed cornel, 342 



Alum-root, 283 



American (Engr. 282), 283 



Rough, 283 



Amaranth, 259, 260, 476 



Amaryllis, 224 



American alum-root, 283 



elm, 252 



linden, 321 



mountain-ash, 289 



redroot, 319 



senna, 297 



Ammania, 333. 334 



Androsace, 35$ 



Anemone, 264, 268, 269, 426, 475, 479 

 Flower axis, 345 



Resemblance to avens, 290 



Resemblance to five-finger, 290 

 Rue, 269 



Rue, false (Half-tone), 270 



Animals, Diseases, 109 



Fecundated egg of higher, 128 

 Habits, 18 



Plants compared with, 25 



and plants, difference be- 

 tween higher, 128 

 Anise, 375 

 Annuals, Desert plants, 464 

 rings of stems, 197 

 Anoka county, 327 

 Ants and trees, Alliance between, 507 

 Antidotes, Ivy and elder poison- 

 ing, 311 

 Antiseptic surgery, 114 

 Appendaged waterleaf, 370 

 Apple, 280, 286, 290, 422, 525 

 blossoms (Half-tone), 288 

 Carpels and stamens, 346 

 Flower, 347 

 Fruit, 423 

 Seed distribution, 19 

 Apple, Balsam, 396 

 May, 274 

 Wild crab, 286 

 Apricot, 280, 292 

 Aquatic nature of terrestrial 

 plants, I 6 



Aquatic plants, 



417, 422, 434, 442, 450, 453, 489 



vegetation (Half-tone), 12 



Arbor-vitae (see white cedar), 186 



moss, 152 



Arbutus, Trailing, 350, 355 



Architectural structure of 



plants, 179, 418, 424, 505 



Arctic vegetation, 424, 428 



Arctic dwarfed raspberry, 291 



Arethusa, 228 



Armor, Plant, 506 



Arnica, 412 



Aroid, 507 



Arrow-grass, 2 oo 



-leafed violet, 328 



Arrowhead (Engr. 202. Half- 

 tone, 199, 201), 7,201,450,458 

 Floating, 448, 449 

 Arrowwood, 388, 390 

 Downy-leafed, 391 

 Maple-leafed, 391 

 Artichoke, 410 

 Arum, family, 217 

 Fruit, 217 

 Warming-up color, 218 

 Ash, 336, 360, 417, 470, 478 

 Family, 360 

 Flower, 361 

 Black, 361 

 Black, Galls, 504 

 Blue, 361 

 Green, 361 

 -leaved maple, 313 

 Mountain, 280, 286, 290 

 Poison, 310 

 Prickly, 305, 307 

 Red, 361 

 Three-leaved. 307 

 White, 360 

 Asparagus, 225, 226, 465 

 Asphodel, 225 

 Assimilation, 488 

 Aster (Half-tone, 408, 410), 6, 7, 

 24, 399, 401, 402, 407, 

 415, 427, 469, 470, 472, 478, 479 

 dodder, 368 

 Australian blue-gum tree, 434 

 Autumn flowers, 426, 479 

 foliage, 426 

 Autumn dandelion, 403 

 Avens, 289 

 Resemblance to anemone, 290 

 Azalia, 350 



