264 



INDEX 



Page 



Cuscuta, trifolii 30 



Cycloloma atriplicifolium 



f. 15, 80, 167, f. 168 



Cyme . 124, 125 



Cynara cardunculus 78 



Cynodon Dactylon 68 



Cynosurus cristatus 36 



CYPERACEAE 135, 157-158 



Cyperus 



esculentus ...28, 30, 72, 157, f. 158 



rotundus 72, 157-158 



Cypress, Spurge 63, 197-198 



Daisy 



Fleabane 70 



Ox-eye 16, 19, 24, 52, 67, 72, 82, 

 244, . 244 

 Dandelion, 5, 12, 16, 18, f. 20, 59, 



62,69, 115, 252 



Eradication 95, 100, 101 



Fall 58 



Seeds 186 



Darlington, Win 85 



Darnel 64, 69 



Bearded 153 



Common 153 



Poison 153 



Date Seed . 134 



Datura 



Metel 71, 74, 222 



Stramonium 28, 71, 80 



Tatula 71, 222-223, f. 223 



Wright's 63, 64, 222 



Daturin 5 



Daucus Carota 33, 55, 68 



Death Camas 159 



De Candolle, A 36 



Dehiscent fruit 132 



Delphinium 



azure urn 178 



carolinianum 71 



Ceyeri 71, 178 



tricorne 71, 178 



Determinate inflorescence. . . 124, 125 



Dewberry 187 



Dewey, L. H 60, 61, 81, 83 



Dianthus 



barbatus : 174 



Caryophyllus 174 



DICOTYLEDONEAE 135 



Dicotyledonous 134 



Diffuse Dropseed 70 



Digitalis 5 



purpurea 70, 223, 224-225 



Digitaria 



humifusa 33,69, 139-141. f. 140 



sanguinalis 28, 33, 56, 69, 139, 141 



Germination 42 



Diodia teres 68, 228 



Dioecious flowers 126 



DIPSACEAE 137 



Dipsacus Fullonum 74 



Dock 12, 17, 18 28, 62, 86 



Germination 41 



Bitter ... .24, 28, 30, 33, 53, 67, 69 



Curled 115, 162-163 



Germination 42 



Legislation 43, 46 



Page 



Dock, Pale 163 



Patience 69, 163 



Peach-leaved 12, 163 



Smooth 53, 67, 69, 115 



Legislation 43, 46 



Sour .163 



Eradication 12, 66, 100 



Germination 41 



Velvet 224 



White 163 



Dodder 27,212-214 



Chilean 213 



Clover 15, 28, 56, 69, 116, 213, f. 213 

 Field 33, 56, 69, 213-214, f. 214 



Flax 70, 214 



Dogbane 115 



Family 208-209 



Spreading 64, 69, 208 



Dog Fennel 13, 24, 62, 70, 115, 243 



Dog's-tail, Crested 36 



Dooryard Weed 164, . 165 



Knotweed 62, 71, 115 



Eradication 100 



Dormant period 39, 40, 110 



Dorsal suture 129 



Downy Brome Grass 153 



Driftwood, as seed-carrier 15 



Dropseed Grass 



Eradication 110 



Diffuse 70 



Mexican 70, 147-148 



Spiked 70 



Drupe 133 



Dry fruit 132 



Duckweed 15 



Dusserre 95 



Dust spray as herbicide 100 



Dyssodia 



chrysanthemoides 70 



Papposa 242-243 



Early Crowfoot 178 



Eaton, Dr. A 85, 107 



Echinochloa crus-galli 28, 56, 142 



Echium vulgare 68, 2 1 7 



Eclipta alba ..70, 237 



Edson, A. W 95, 97, 99. 107 



Eichornia crassipes 84 



Elder 70 



Ciliate 70 



Marsh 51, 59, 62, 67, 70, 83, 



115, 233. f. 234 



Marsh, small-flowered 233-234 



Meadow 70 



Elderberry 64 



Eleusine indica 59, 69, 150-151, f. 150 



Ellisia nyctelea 215 



Elodea canadensis 84 



Embryo 133 



Sac 130 



Endogenous stem 117 



Endosperm 133 



English 



Charlock 181-182 



Rye Grass Legislation 46, 47 



Epidermis 117 



Epigaeous 134 



Epigynous flowers 127 



