450 INDEX. 



Page. 



Cyperus 303 



Cypress spurge ". 372 



Dahlia 414 



Daisy 422 



Dandelion 442 



Dandelion, to kill in lawn 285 



Datura 402 



Daucus 386 



Dead nettle 398 



Decurrent, (leaf), extending down the stem below the insertion. 



Deltoid, shaped like Greek letter delta, triangular. 



Dentate, having broad acute marginal teeth which are usually directed outward. 



Devil's paint-brush 432 



Desmodium 360 



Digitaria 295 



Dioecious, having the male and female organs borne by different individuals. 



Diplotaxis 349 



Dipsaceae 413 



Dipsacus , 413 



Dock 310, 311, 312, 313, 314, 315 



Doctored seeds 281 



Dodder 392, 393 



Dogbane family 388 



Dog's-tooth grass 294 



Door-weed 306 



Downy brome grass 293 



Dutch clover 368 



Dye seeds 282 



Echinochloa 297 



Echinospermum 394 



Elecampane 430 



Eleocharis 308 



Eleusine 297 



Endive 414 



Eragrostis 291 



Erechtites 426 



Erect knotweed k 307 



Ergot 288 



Erigeron 427, 428 



Erodium 369 



Erysimum 349 



Euphorbia 372, 373, 374, 375, 376 



Euphorbiaceae 371 



Euphorbia esula , 373 



Euphorbia hirsuta 374 



Euphorbia maculata 374 



Euphorbia polygonifolia 376 



Euphorbia preslii 376 



Euphorbia serpyllifolia 376 



Evening primrose 383 



Evening primrose family 383 



Fall dandelion 435 



False flax 347 



Field chess 292 



Field dodder 392 



Field garlic * 304 



Field pepper-grass 350 



Field sorrel 311 



Figwort family 405 



Finger grass 296 



Fire-weed 426 



Five-finger 358 



Flat-stemmed Poa 300 



Flax dodder 392 



Fleabane 427, 428 



