INDEX 



883 



Distribution 716, 740, m. 100 



Seed 431, f. 1,31, 730 

 platyphyllum syn. C. atriplicifolium 

 Cyme 614, 864 

 Cynara cardunculus 701 

 Cynodon dactylon 



Distribution 732 

 Cynoglossum boreale 787 



Seed 466, f. 1,66 

 officinale 256-257, 777, f. 257 



Distribution 719, m. 257 



Seed 466, f. 1,66 

 virginianum 258-259, f. 259 



Distribution m. 259 



Seed 564-565, f. 565 

 sp. f. 635 

 Cyperaceae 3, 63, 407-40S, 636 



Distribution 715, 724 

 Cyperus esculentus 63, 790, f. 6b 



Distribution 696, 697, 715, m. 6.', 

 rotundus 63 



Distribution 722, 723 

 Cypress Spurge 718, f. 735 



Distribution 736 

 Cypripedium acaule 702 

 Cystopus candidus 677, 678 



Dactylis glomerata 

 Distribution 715 

 Seed 417, 811, 813, f. ',17 

 Dagger Cocklebur 794 



Spanish, Root system 645 

 Dahmen, Max 580 

 Daily, C. E. 749 

 Daisy 362, 665, 667, 677 

 Fleabane 322-324, 657, 658 

 Distribution 720 

 Seed 482, f. 1,81 

 Trichomes f. 482 

 Ox-eye 362-364, 667, 793, 794, f. 363 

 Distribution 704, 720, 727 

 Root system 654 

 Seed 492, f. 1,92, 638 

 sp. f. 595 

 Dakota Vetch 761 

 Dakota 



North, Flora 839 



Seed investigation 834 

 Weed legislation 794, 806-807 

 "Weeds 744, 757 

 South 



Weed legislation 794, 808 

 Weeds 744, 756, 757, 767 

 Vetch 761 

 Weeds 693, 753 

 Dalea alopecuroides 192-193, 790, f. 192 

 Distribution 71 S. 790, m. t9S 

 Seed 453, 550, 552, f. 1,51,, 551 

 Woxfail syn. Dalea 

 laxiflora 



Seed 454, f. V>h 

 Distribution f. 454 

 Pink, Seed 454, f. >,:,', 

 Dandelion 386-389, 592, 604, 629, 633, 

 657, 659. 664, 676, 773, 780. 786, 

 7X7, 814, 819, 843. 850, f. 78, 386, 

 887, 388, 889, 6SS, 71,3 

 Chemical composition 3 89 

 Distribution 630, 696, 697, 704. 



708, 721, 743, 838, m. 387 

 Root system 648, 654 

 Seed 490, 579, f. 1,98, 580 

 Dark-seeded syn. of 

 Red-seeded 390-391, 787, f. 396 

 Distribution 721 

 Seed 49 8, f. 1,98, 631 

 Small-flowered syn. Red-seeded Dan- 

 delion 

 Danger, L. 736, 753, 819, 848 

 Danish Seed Control Station 828 

 Dark-seeded Dandelion syn. Red-seeded 

 Dandelion 



Darlington, Wm. 756, 760, 761, 762, 



767, 820, 822, 826, 840 

 Darnel, Distribution 692, 699, 715 

 Poison 52-53, f. 52 



Distribution 696, 699, 715, 736, m. 



53 

 Seed 522-524, f. 520, 521, 523, 521, 

 Datura stramonium 288-291, 777, 788, 

 f. 290, 709 

 Distribution 696, 720, 736, 767, m. 



290 

 Seed 471, 569, f. 1,72, 568, 62k 

 tatula 2S8-291, 777, 787, f. 289 

 Distribution 697, 720, m. 289 

 Daucus carota 227-228, 788, 796, f. 227, 



Distribution 698, 712, 719, 725, 

 767-768, 796, 802, 819, m. 228 



Seed 461, 562, f. 1,62, 561, 635 

 Davis Weed 218 

 Day Nettle 664 



Dead Nettle 665, 719, 723, 727. 822 

 Deadly Nightshade 736 

 Delaware 



Weed legislation 794 



Weeds 765 

 De Loach, G. B. 856 

 Delphinium consolida 



Seed 439, f. .',■ <■> 

 penardi 142, f. l',2 



Seed 439, f. 439 

 Denmark Weeds 753, 766. 795, 844 



Seed investigations 828 

 Deschampsia flexuosa 



Seed f. 639 

 Desmodium canescens 690 

 Des Moines Capital 803 

 Determinate inflorescence 610-614 

 Devol, W. S. 831, 856 

 Dewey, L. H. 396, 708, 744, 745, 795, 

 825, 826, 840, 848, 856, 860, 861 

 Diamond-back Moth 677 

 Dibble. W. 851 



DICOTYLEDONEAE 3, 67-404 

 Dicotvledons 623, 864 

 Dicots 67-404 

 Didlake, M. L. 857, 860 

 Digitalis 



Distribution 693 

 purpurea 



Distribution 227, 736 

 Digitaria humifusa 10-12, 789, f. 11 



Distribution 691, 714. m. 12 



Seed 408-409, 505, 810, f. 409, 505 

 sanguinalis 8-10, 790, f. 9, 11, 731 



Chemical composition 10 



Distribution 691, 714, 731, m. 9 



Root system 647 



Seed 409, f. 1,09, 676 

 Dioecious plants 605 

 Dioscorides 773 



DlPSACEAE 



Distribution 724 

 Dissemination, Burs 256 

 by woollen mills 203 

 Dock, Bitter 78-79, 595, 789, f. 79 

 Distribution m. 79 

 Seed 427, 726, f. 1,27 

 Bloody, Distribution 716 

 Broad-leaved syn. Bloody Dock 

 Curled 74-76, 660, 774, 788. 794, 796, 

 799, SOS, f. 74, 76, 630, 727 

 Chemical composition 75 

 Distribution 652, 696, 697, 716, 



725, m. 75, 736 

 Root system 652, 654, f. 61,7 

 Seed 426-427, 810, 814, 834, f. 1,26, 

 638 

 Pale, Distribution 716 

 Patience, Distribution 7 63 

 Peach-leaved syn. Smooth Dock 

 Red-veined syn. Bitter Dock 



