582 
Kingceup, 159 
King Devil, 556 
Kinghead, 454 
Klinkweed, 189 
Knapweed, Black, 521 
Brown, 521 
Rayed, 521 
Knawel, 133 
Knetffia fruticosa, 296 
Knight’s Spur, 161 
Knit-back, 337 
Knotgrass, German, 133 
Knotweed, 98 
Biting, 101 
Bushy, 98 
Erect, 98 
Prostrate, 97 
Spotted, 102 
Kochia scoparia, 107 
Krigia amplexicaulus, 527 
virginica, 527 
Kuhnia eupatorioides, 419 
Lactuca canadensis, 542 
pulchellus, 544 
sagittifolia, 543 
scariola, 540 
spicata, 546 
villosa, 545 
Lady-by-the-gate, 149 
Lady-fingers, 382 
Lady’s Thumb, 102 
Lambkill, 308 
Lamb’s Lettuce, 402 
Lamb’s Quarters, 112 
Lami plexicaule, 355 
Lappula echinata, 334 
floribunda, 335 
virginica, 334 
Lapsana communis, 523 
Larkheel, 161 
Larkspur, Azure-flowered, 163 
Carolina, 163 
Dwarf, 162 
Field, 161 
Large, 164 
Purple, 165 
Sky-blue, 163 
Small, 166 
Smooth, 164 
Tall Mountain, 164 
Western, 167 
INDEX 
Lathyrus latifolius, 250 
pratensis, 252 
tuberosus, 250 
Laurel, Dwarf, 308 
Narrow-leaved, 308 
Sheep, 308 
Leersia oryzoides, 35 
Legouzia perfoliata, 408 
Leontodon autumnalis, 530 
Leonurus Cardiaca, 356 
Lepachys columnaris, 464 
Lepidium apetalum, 178 
campestre, 178 
virginicum, 176 
Lespedeza violacta, 245 
Lettuce, Arrow-leaved, 543 
Blue, 544 
Hairy-veined, 545 
Hare’s, 538 
Prickly, 540 
Rough White, 552 
Showy, 544 
Smooth White, 551 
Tall Blue, 546 
Wild, 542 
Lily, Hedge, 323 
Jamestown, 375 
Linaria vulgaris, 379 
Lion’s-ear, 356 
Lion’s-foot, 553 
Lion’s-tail, 356 
Lion’s-tooth, 530 
Liquorice, Wild, 242 
Lithospermum arvense, 339 
canescens, 341 
officinale, 340 
Littlegood, 272 
Littlewale, 340 
Live-forever, 201, 202 
Live-long, 202 
Lobelia, Great, 410 
Lobelia inflata, 411 
syphilitica, 410 
Loco, Purple, 239 
Stemless, 241 
Stemmed, 239 
Texas, 239 
Loco-vetch, Colorado, 241 
Loco-weed, White, 241 
Woolly, 239 
Loggerheads, 521 
Lolium perenne, 59 
