INDEX 



palrnata 689 

 tinctoria 



Distribution 740, 844 

 Corispermum hyssopifolium 698 



Distribution 737 

 Corn 368, f. 505 

 Seed 813 

 Broom 512 



Seed 514, f. 513, 516 

 Chamomile, Distribution 735 

 Cockle 125-126, 665, 776, 789, 819, 

 829, f. 125, 7"" 

 Distribution 692, 699, 709, 716, 73o, 



736, *29, 838, m. 126 

 Seed 436, 810, f. 436. 688 

 Crowfoot 663 

 Fields, Weeds of 692, 845, f. 24, 661, 



66S 

 Gromwell 262-263, 7S7. f. 262 



Seed 467, f. 1,68 

 Kaffir 8 



Marigold, Distribution 735, 736 

 Mint 665 

 Poppv 735, f. 618 

 Speedwell 723 

 Spurrey, Distribution 813 

 Sweet, Seed 813 

 Cornell University 673 

 Corn-flower 677 



Chemical composition 673, 674 

 Distribution 735 

 Seed 496, 814, f. 1,01, 688 

 Trichomes /'. \9~, 

 Corolla 604, 864 

 Corymb 612, 864 

 Cosmopolitan weeds 695, 736, 757, 763, 



777, 786 

 Cosmos 301 



bipinnatus, Distribution 696 

 Cotta, H. 840 

 Cotton 213 

 Ti istle 667 



l >istribution 725 

 Cotyledons 623, 864 

 Couch Grass 851 



Black 664 

 Coulter, J. C. 747, 757 

 Coverdale, F. 187 

 C« i Hie, P. V. 840 

 Cow Cockle 814 

 Parsnip 234, f. 2S1, 

 Seed f 561, 562 

 Cowbane 230-233, 683, 776, 788, f. .''/. 

 182, 233 

 Distribution 736, m. SSI 

 Seed 460, /'. 461 

 Spotted 596 

 Cow-herb 132-134, 789, /'. 138 



I istribution 692, 696, 697, m. 184 

 Seed 438, f. \SB 

 Cowpea 180 



Cox, H. R. 839, 848, 861 

 Crab Crass, Common S-10, 731, 785, 

 790, f. 9 

 Chemical composition 10 

 1 'istribution 714. 731. m. '■> 

 Root system 647 

 Peel 409, f. 1,09, 676 

 Smooth 10-12, f. 11 



Distribution 714. m. 12 

 Seed 408-409, 810, f. ',09 

 Sprouting 14-15. f. t5 



i istribution 691, 714, m. 15 

 Seed 410, f. 1,10 

 Craig, M. 840 



Cranberry marshes, Weeds of 846 

 Crandall, C. S. 755, 826 

 Crane, O. B. 848 

 Cranesbill, Carolina 555, f. 556 

 Wild, Distribution 718 



Crassulaceae, Distribution 724 

 Craty, R. I. XI, 745, 748, 749, 751, 759, 



760, 766, 767 

 Crawford, A. F. 763 

 Creeping Buttercup 141 

 ('hurley syn. Ground Ivy 

 Soft Grass 665, 667 

 Spurge 208, 209, 458 

 Verbena syn. Prostrate Vervain 

 Cremocarp 864 



Cress, Marsh 167-168, 787, f. 161 

 1 'istribution 742, m. 168 

 Seed 447, f. .',',7 

 Seed 441, f. W- 

 Water 14 2 



Distribution 717 

 Winter 170. 677, f. 110 



Distribution 717, 733, 740, m. Ill 

 Seed 147-44S. f. U7, :,',;, 544 

 Crimson Clover 812, 831 

 Crocker. YVm. 829, 856 

 Cropping, continuous. Effect of 684 

 Cross cell, see Cell, Gross 

 Crosby, J. C. 840 

 Crosby, M. L. 836 



Crotalaria sagittalis 182-183, 788, f. 182 

 I "istribution 718, m. 183 

 Seed 545-546, /'. 546 

 Crowfoot. Distribution 74 2 

 corn 663 



Family syn. Buttercup Family 

 Grass 4 1-4:;, /'. .;.' 



Chemical composition 43 

 I (istribution 732, m. '/.' 

 Seed U6, f. M6 

 Small-flowered 139, f. 139 

 l »istribul ion 7 1 < , m. 140 

 Seed 440, 536. f. ',)» , 536 

 Crown 654 



Crownbeard, Seed .".7.",. f. 571 

 Crozier, A. A. 766, 825 

 Crucifi r 677, 785, /'. 606 

 CRUCIFERAE 4, 142. 170, 634, 776, 819 

 Bibliography 583 

 Distribution 717. 72 1 

 Seed 141-448, 539, 544 

 i Irusaders distributed weeds 700 

 Cryer, J. 840 

 Cucumber, Bur, Distribution 737 



Wild 573, f. ■>:', 

 Cucurbitaceae. Distribution 724 



Si e i .".7:: 

 Cudweed. Distribution 720, 741 

 Culm 864 

 Crvstalloids 864 

 Cunningham. J. C. VII, XII, 641 



'lant, Herd 482, f. ',88 

 Curled Dock 74-76, 426-427. 630, 647, 

 652, 654, 660, 696, 697, 716, 725, 

 727, 736, 774. 788, 794, 796, 799, 

 805, 810, 814, 834 

 Currant f. 612 



Indian 307, 790, f. 308 

 Distribution m. 308 

 cert is, C F. V. 



Cuscuta arvensis 252-254, 789, f. 253 

 Distribution 712. 719, 729, m. 152 

 Si ed 810 

 cbi'ensis. Seed 465, f. (i;.7 

 epilinum f. '53 

 epithvmum 250-253, f. 251. 253 



Distribution 712, 719, 725, 729, 735, 



m. 251 

 Seed 465, 564, S10, f. 1,65. 564 

 euronaea 852 

 sp. 850 



Seed 82 8. 829 

 Cusick, Wm. 694, 726, 751. 840 

 Cutler. Manasseh. 708, 711 

 Cvclacbaena xanthifolia 332 

 Cycloloma atriplicifolium 99-101, 788, 

 f. 100 



