878 



INDEX 



Bur Clover 452, 453, 548, 549, 708, 810, 

 811, 815. 832, 834 

 Cucumber 737 

 Bur Seed syn. Stinkseed 

 Burchard, O. 583, 827, 855 

 Burdock 370-371, 631, 644, 667, 778, 

 786, 789, 793, 794, 796, 799, f. 

 S10, 119 

 Distribution 687, 721, 725, 838, TO. 



Root system 645, f. 6i8 

 Seed 493, 576, 577, f. m, Sn, 635 

 Trichomes f. S~l 

 Burgess, Rev. 746, 760 

 Burned-over land 805 

 Bumut, Ground syn. Caltrop 

 Burrill, T. J. 826, 848 

 . Burs 707 

 Burtt-Davy, J. 687, 695, 696, 725, 751, 



839. 860 

 Burweed 839 



Buscalioni, L. 547, 554, 580-581 

 Bush Clover 454, 553 



Honeysuckle 307 

 Bushy Knotweed 85-86, 431 

 Bussey Institution 107, 138. 389 

 Butter and Bggs syn. Toadflax 

 Buttercup, Bulbous 717 

 Celery-leaved 849 



Common syn. Small-flowered Crow- 

 foot 

 Creeping syn. Swam.p Buttercup 

 Family 139-142 

 Distribution 724 

 Seed 438. 440 

 Small-flowered 787 

 sp. 625, 660, 665, 667, 677, 736, f.6n 

 Swamp 140-141, 787, f. 11,1 

 Distribution 717, m. lU 

 Tall, Distribution 717 

 Seed 440, f. m 

 Butterfly Weed 



Seed 462, f. i6S 

 Butterprint 215-218, 718, 790, 799, 850, 

 f. U6 

 Distribution 718, 734, 762, m. 559 

 Seed 567-658, f. 559 

 Buttonweed syn. Butterprint 

 Butz, G. C. 831, 856 



Cabbage 142 

 Club root 680 

 Gall Weevil 676 

 Root Fly 677 

 White Rust 677 

 Cacalia tuberosa 493, f. J,93 

 Cactaceae, Distribution 724 

 Cactus Family, Distribution 724 

 "Caesar Weed" 861 

 Calais, False, Seed 502, f. 501 

 Calaraagrostis epigeios. Distribution 



693 

 California Blackberry 693 

 Flora 845, 853 

 Weed legislation 794 

 Weeds 708, 712, 725, 755, 757 

 Callus 863 



Caltha palustris. Distribution 736 

 Caltrop 203-205, 789, 844, f. SOi 

 Distribution 697, m. W5 

 Family 203-205 

 Calyx 604, 863 



As seed disseminator 630 

 Camelina sativa 149-151, 788, f. 150 

 Distribution 700, 717. m. 151 

 Seed 443, 544, f. US, 5lfi 

 sp. 853 

 Campanulaceah, Distribution 724 

 Campbell, J. R. 768 

 Campion, Bladder 

 Distribution 716 

 Seed 436, f. iSB 

 Red 605 



Distribution 716 

 White 126-128, 664, f. ITI 

 Distribution 716, m. Its 

 Seed 810, 814, f. 638 

 Canada (Canadian) 



Blue Grass 638, 639, 811, 812 

 Goldenrod 313-314, 479, 480, 721, 790. 

 Lettuce syn. Wild Lettuce 

 Seed investigation 836-837 

 Seed laboratory XII 

 Seed legislation 808, 814 



Saskatchewan 713 

 Thistle 67, 379-382, 494, 592, 633, 

 636, 638, 639, 648, 651, 665, 688, 

 708, 748-749, 788, 793, 794, 796, 

 803, 804, 805, 806, 807, 808, 810, 

 814, 819, 826, 833, 834, 844, 847, 

 848, 852 

 Weeds 693, 733, 753, 757, 762, 766, 

 825, 839 

 Canaigre 74 

 Canavan, B. B. 755 

 Candy Grass 43-44, 788, f. U 

 Distribution 715, m. -H 

 Seed 417, f. m 

 Cannabis indlca 697 

 sativa 70-72. f. 11 



Distribution 696, 715, m. 11 

 Seed 425, 524-525, f. m, «25 

 Caper Family 171-174 

 Distribution 724 

 Seed 448 

 Cappakidaceae 4, 171-174 

 Distribution 717, 724 

 Seed 448 

 Caprifoliaceab 307 

 Distribution 724 

 Capsella bursa-pastoris 151-153, 604, 

 . 776, 787, 819, f. 15S, 153, 622 

 Distribution 696, 717, 734, 740, 



m. 153 

 Root system 648 

 Seed 443, 540-541, f. US, 5^2 

 Trichomes • f. 153 

 Capsule 863 

 Caragana 180 

 Caraway 224, 226-227, 776, 787, f. 226 



Distribution 709, 719, m. 227 

 Carbon dioxid 599-600 

 Carbonic acid 600 

 Card, F. W. 857 

 Carduus crispus 



Distribution 736 

 lanceolatus syn. Cirsium lanceolatum 

 natans 



Distribution 736 

 Carex 



sp. 678, f. m 

 vulplnoidea 788, f. iff) 

 Seed 407, f. m 

 Carnation 120 



Carolina Cranesbill 555, f. 556 

 Carpel 618. 863 

 Carpenter Weed 270-271, f. 271 



Distribution m. 27i 

 Carpet Grass, Louisiana, Distribution 



722 

 Carpet Weed Family, Distribution 723 

 Carrier, L. 856 

 Carrot Family 224-234 

 Distribution 725 

 Seed 460-462. 561-562 

 Root System 648 



Wild 227-228, 637, 667, 786, 788, 796, 

 802, 819, f. 227, 768 

 Distribution 688, 692, 698, 712, 



719, 725, 767-768, 794, to. 228 

 Seed 461, 562, 640, 833, f. 462, 561, 

 6SS. 565 

 Carruthers, Wm. 848, 860 

 Carum carvi 226-227, 776, 787, f. 226 

 Distribution 719, m. 227 



