INDEX 



875 



Ro.ot system 651, f. 646 

 Seed 462, 562-563, f. 463, 562, 632 

 tuberosa 



Seed 463 f. 1,63 

 verticillata 



Seed 463, f. 463 

 Ash 6, 632 

 Ashton. W. M. 766 

 Asia, Weeds of 731, 732, 733, 734 

 Asparagus 6 

 Aspens 703 

 Aster azureus 689 

 drummondii 481 



Trichomes f. 482 

 laevis 481, 689 



Trichomes f. 482 

 macrophyllus 481 



Trichomes f. 482 

 Many-flowered 317-318, 790, f. 317 



Distribution 689, to. -US 

 multiflorus 317-318, 790, f. 318 

 Distribution 690, m. 31S 

 Trichomes f. 481 

 novae-angliae, Trichomes f. 481 

 novi-belgii, Distribution 737 

 oblongifolius, Trichomes f. 481 

 paniculatus f. 320 

 parviflorus 



Distribution 737 

 salicifolius 319-320, 790, f. 820 

 Distribution 737, m. 320 

 Seed 481, f. 481 

 Trichomes f. 481 

 sp. 594 

 tradescanti 320 



Trichomes f. 781 

 White. See Manv-f lowered 

 Willow-leaved 319-320, 790, f. 319 

 Distribution m. 320 

 Seed 4 81, f. 481 

 Astragalus canadensis 193, /'. 194 



mexicanus 554 

 Atriplex hortense 



Distribution 736 

 patula v. hastata 109-110, f. 110 

 Distribution 716, 740, 789, to. 110 

 Seed 4 33, f. 4*3 

 Atropa belladonna 



Distribution 736 

 Aughey 765 

 Auricle 862 



Australia, Flora of 696, 731, 732, 733, 

 734. 763 

 Seed investigations 837 

 Weed legislation 793 

 Weeds 839 

 Australian Burr 849 

 Avena fatua 40-41. 789, f. lfi 

 Distribution 715. 736. to. ',1 

 Seed 415-416, 810, 829, f. 416 

 gl a brat a 



Seed 829 

 sativa 

 Seed 813 

 Avens. Seed 449. 788, f. >,! t 9 



White svn. Stickseed 

 Awn 609. 862, f. 809 



Awned Brome grass syn. Downy 

 Brome Grass 

 Wheat grass 71 5 

 Awnless Brcme Grass 812 

 Axil 862 

 Axillary flowers 610 



Placenta f. 619 

 Axis, Floral, 611 



Babeock. O. G. 74 8 

 Bachelor's Button 



Distribution 727 

 Bachmann, E. 5Sfi 

 Bailev, E. H. S. \:!7 

 Bailev, F. M. 8'S 

 Bailey, L. H. 847, S60 



Baldwin's Ironweed 309-310, f. 310 

 Distribution to. 310 

 Seed 477, f. iTt 

 Ball, C. R. 745, 760, 834, 855 

 Ball, O. M. 834, 855 

 Ball Mustard 163, 717, 814 

 Balsam Apple 573, f. 574 

 Bamber, M. K. 847 

 Barbarea vulgaris 170, 787, f. 170 



Distribution 717, 733, 740, m. 171 

 Seed 447-448, 544, f. lfit, r,!,2 

 Barber, C. J. 750 

 Barberry, 67S 



Family, Distribution 723 

 Barley 8 



Blight f. 680 

 Blindness of 677 

 Grass 667 

 Little 61-63, f. 62 



Chemical composition 61, 63 

 Distribution 715, to. 62 

 Seed f. m 

 Seed 812 



Transpiration 673 

 Wild syn. Squirrel-tail Grass 

 Barnaby's Thistle syn. Knapweed 

 Barnet. 664 



Barnyard Grass 16, 790. f. 16, 330 

 Chemical composition 17 

 Distribution 731, )». 16 

 Seed 411-412, 506, f. ^2, m, 729 

 Base 862 



Bartlett, J. M. 853 

 Barton, L. W. 833 

 Barton, W. M. C. 773, 853 

 Basil 286 



Distribution 720 

 Basswood seed 631, f. 632 

 Beach, C. L. 855 

 Beach, D. L. 834 

 Beal, W. J. XI, XIII, 24, 824, 830, 838, 



855 

 Bean 67, 180, 621 

 Aphis 677 

 Castor-oil 205 



Distribution 69 6 

 Coffee 180 

 Trailing wild 



Distribution 718 

 Transpiration 67 3 

 Wild 199-200 



Distribution 718, to. 200 

 Seed 455, f. #5 

 Beard Grass 862 



Distribution 722 

 Beard-tongue 845 

 Bebb, M. S. 747 

 Rock 7 65 

 Beck, G. 553. 585 

 Beck, L. C. 838 

 Bedford, S. A. 57 

 Bedstraw 572, 594. 663. 665, f. 573 

 Distribution 693, 741 

 Seed 476, f. 476 

 Bee-plant, Rockv Mountain 173-175, 

 f. 174, 175 

 Distribution 729, 739. m. 174 

 Seed 44 8, f. 448 

 Beet 99 



Distribution 712. 725 

 Root system 648 

 Sugar 99 

 Beetle. Colorado 677 

 Flv 676 



Turnin Flea 676 

 Beggar's Lice 259-260, 788, f. 259 

 Distribution 821 

 Seed 466, f. 467 

 Beggar-ticks 351-352, 624, 664, 789, 

 822, f. S51 

 ■Distribution 697. 720. 740. to. 852 

 Root system 645 



