536 



Minnesota Plant Life. 



Definition, Stamen, 181, 184 



Stigma, 181, 184 



De-nitrifying bacteria, 102,117 



Deposition of silica, Scouring- 



rush, 175 



Desert plant, 



418, 428, 436, 442, 463, 481, 506 



Leaves, 464 



Odor, 437, 465 



-succulent, 474 



Desmanthus, 296, 297 



Desmid, 34, 443 



parasites, 45 



Diatom, 39, 443, 453, 505 



Deposition of silica, 40 



parasites, 45 



Disc-alga, Relation to liverwort, 129 

 fungus, 78, 95, 514 



Disease, Immunity to, 106 

 -producing bacteria, 102, 103, 105 



Diseases, Animal, 109 



Bacteria, 109 



Bread, 112 



Butter, 112 



Carnation, 103, 109 



Cheese, 113 



Cigar, 112 



Contagious, 106 



Egg, 112 



Grain, 50 



Grape vine, 46 



Ice-cream, 13 



Infectious, 106 



Invasive, 106 



Meat, H3 



Milk, II2 



Plant, iog 



Potato, 4 6 



Vegetable, ^3 



Distribution, Carrion-fungi spore, 66 



Morel spore, 75 



Plant, 5 



Seed, 344) 4l6 



Spermatozoid, 520 



Spore, 344) SI4 



Winged composites, 4 i6 



Ditch-moss, 203 



stone-crop, 282 



Dock, 257, 258 



Curly-leaved, 258 



Golden, 258 



Dock, Prairie, 

 Red-veined, 

 Swamp-, 

 Yellow, 

 Water, 



409 

 258 



258, 458 

 258 

 258 



Dodder (Half-tone, 368), 233, 367, 368 



Nutrition, 368, 369 



Parasitism, 369, 439 



Sucking organs, 369 



Aster, 368 



Button-bush, 369 



Choisy's, 369 



Field, 368 



Goldenrod, 368 



Gronovius, 369 



Hazel, 369 



Massive, 369 



Smartweed, 369 



Sunflower, 368 



Dog's-tooth violet (Engr. 225), 



225, 226 



Dogbane, 360, 364 

 Resemblance to flowering 



spurge, 308 

 Resemblance to milkweed, 364 



Dogwood, 12, 332, 336, 



340, 342, 428, 459, 460, 462, 472, 478 



Position of, 349, 415 



Dogwood, Bailey's, 341 



Dwarf, 336 



Flowering, 340, 416 



Poison, 310, 506 



Rough-leafed, 341 



Round-leafed, 341 



Silky, 428 



Smooth-leafed, 428 



Doors, Manufactured from white 



pine, 186 



Doorweeds, 258 



Douglas county, 221 



Downy-leafed arrowwood, 391 



phlox, 369, 370 



Dragon's-head, 375, 376, 377 



-head, False, 376 



Duckweed, 220^436,449 



Air chamber, 443 



Counterpoise area, 444 



Pollen distribution, 282 



Pollination, 445 



Duckweed, Ivy-leaved, 220 



Smaller, 220 



Three-cornered, 220,444 



Three-pronged, 133 



