Lolium temulentum, 60 
London Pride, 149 
Loosestrife, Clammy, 291 
False, 293 
Lotus corniculatus, 237 
Ludvigia alternifolia, 292 
palustris, 293 
Lupine, Low, 229 
Nebraska, 226 
Silvery, 228 
Wild, 225 
Lupinus argenteus, 228 
perennis, 225 
 plattensis, 226 
pusillus, 229 
Lychnis alba, 145 
dioica, 144 
Lychnis, Evening, 145 
Lychnis Flos-cuculi, 143 
Githago, 142 
vespertina, 145 
Lycopsis arvensis, 388 
Lycopus virginicus, 360 
Lygodesmia juncea, 546 
Lygodesmia, Rush-like, 546 
Lyonia mariana, 310 
Macrocalyx Nyctelea, 330 
Madder, Blue Field, 396 
Madia sativa, 479 
Madnep, 305 
Mallow, Common, 280 
Dwarf, 280 
Indian, 276 
Musk, 281 
Red False, 277 
Running, 280 
Thistle, 278 
Venice, 282 
Malva moschata, 281 
rotundifolia, 280 
Malvastrum coccineum, 277 
Mamillaria missouriensis, 291 
vivipara, 290 
Man-of-the-Earth, 320 
Mare’s-tail, 439 
Marigold, Bur, 473 
Fetid, 485 
Nodding Bur, 476 
Markweed, 274 
Marrube, 349 
Marrubium vulgare, 349 
INDEX 583 
Marsh Elder, Burweed, 451 
Rough, 450 
Small-flowered, 453 
Marvel, 349 
Masterwort, 306 
Matricaria Chamomilla, 492 
tnodora, 491 
Matricaria matricarioides, 492 
suaveolens, 492 
Matweed, Spotted, 266 
Maul, 280 
May-pop, 287 
Mayweed, 488 
Corn, 491 
False, 485 
Yellow, 485 
Meadow Queen, 203 
Meadow-sweet, 203 
Willow-leaved, 204 
Woolly, 204 
Mecha-Meck, 320 
Medicago denticulata, 235 
hispida, 235 
lupulina,. 234 
Medick, Black, 234 
Hop, 234 
Toothed, 235 
Winter, 235 
Meibomia canadensis, 244 
canescens, 243 
Melanthium virginicum, 77 
Melilot, White, 232 
Yellow, 234 
Melilotus alba, 232 
officinalis, 234 
Mentha piperita, 361 
spicata, 362 
Mercury, Black, 274 
Scotch, 382 
Three-seeded, 262 
Micrampelis lobata, 406 
Milfoil, 486 
Milk, Mouse, 272 
Wolf's, 272 
Milkweed, Climbing, 319 
Common, 317 
Orange, 315 
Poison, 268 
Showy, 317 
Swamp, 316 
Trumpet, 542 
