Minnesota Plant Life. 



547 



Liverwort, Breeding habits, 123 

 capsule, 154 

 capsule, Origin and de- 

 velopment, 130 

 distinguished from moss, 



123, 126, 144 



Economic importance, 143 

 elaters, 135, 140 

 First-stage, 124, 128 

 Fruit, 123 

 Life-history, 123, 124 

 .Minnesota, I3 2 

 Number in Minnesota, 27 

 Origin, 122 

 Relation to disc-alga, 129 

 Reproduction, 127 

 Scientific interest, 143 

 Second-stage, 125, 126, 128 

 Spores, 135 

 Spore distribution, 440 

 Water-pocket, 142 

 Cone-headed, 133, 518, 520 

 Cone-headed, Capsule, 134 

 Cone-headed, Spermary, 136 

 Floating, 132 

 Horned, 139 

 Horned, Capsule, 139 

 Horned, Relation to club- 

 moss, 140 

 Leafy, 141 

 Leafy, Capsule, 141 

 Mud-flat (Engr. 132), 132 

 Purple-edged, 137 

 Swimming, 133 

 Umbrella- (Engr. 136, 138), 137 

 Umbrella-, Propagative 



branches, 137 

 Living substance, 484, 508 

 Chemical composition, 487 

 Growth, 492 

 Irritability, 498 

 Location, 485 

 Physical structure, . 486 

 Physiological character, 488 

 Requisitions made on en- 

 vironment, 488 

 Lizard' s-tail, 236, 237 

 -tail, Resemblance to plan- 

 tain, 237 

 Lobelia, 388, 394, 397 

 Flower, 394 

 Resemblance to figwort, 397 

 Resemblance to mint, 397 



Lobelia, Blue (Engr.), 396 



Blue, Large, 397 



Blue, Pale, 397 



Indian-tobacco, 398 



Kalm's, 398 



Red, 397 



Water, 396, 448, 449, 450 



Water, Leaves, 417 



Loco-vetch, 302 



-weed, 302 



Locust, 280, 298, 301, 417, 427 



Honey-, 280 



Lombardy poplar, 238, 240 



Long-headed coneflower, 409 



-leafed ground-cherry,. 378 



-leafed Houstonia, 390 



-leafed willow, 241, 242 



-spurred violet, 329 



Loosestrife, 333, 358 



family, 332 



False, 334, 35 



Purple, 334 



Swamp, 333, 334 



True, 333 



Tufted, 358 



Lopseed, 367, 386 



Low birch, 246, 247 



blackberry, 291 



blueberry, 356, 357 



false indigo, 301 



ground-cherry, 378 



serrated wintergreen, 351 



snowberry, 392 



Lotus, 13, 300 



Indian, 264, 267, 452 



of the Nile, 267 



Louisiana broom-rape, 386 



Lousewort (Engr. 382), 379, 385, 438 



Parasitism, 383 



Lucerne, 298 



Lumpy-jaw, 107 



Lungwort, 371, 372 



Tall, 372 



Virginia, 372 



Lupine, 280, 298 



Wild (Engr.), 298 



Lycopodium powder, 156 



Lygodesmia, 404 



Lymph, Koch's, 108 



Lythrum, 334 



Seed, 334 



Machinery, Manufactured from 



elm, 253 



