INDEX 



GYMNOSPERMAE 3, 6, 404 

 Gymnosperms 6-404 



Haberlandt, G. 585 

 Hackberry 69 

 Hadrome f. 598 

 Haglund, E. 841, 849 

 Hair Grass 79 



Distribution 732 

 Plant 603 

 Hairy Brome Grass 828 

 Hedge Mustard 544 

 Prairie Clover 550, 551, 552 

 Vetch 455, 718 

 Hale, T. J. 7 51 



Half breed Weed sun. Marsh Elder 

 Hall 751 

 Hall, A. D. 664 

 Hall, J. M. 749 

 Halsted, B. D. 80, 680, 758, 765, 766, 



767, 826, 841, 849, 861 

 Haltica sun. Phyllotreta 

 Hamburg Seed Control Station 827, 856 

 Hamill, S. O. 755 

 Hammond, R. F. 832 

 Hanausek 538, 575, 581, 584 

 Hanbury, D. 580 

 Hanover Weeds 753 

 Hansborough, Senator 826 

 Hare's-ear Mustard 161-162, 592, 7SS 



Seed 446, 814, 815, f. W 

 Harpel, L.. V. 755 

 Harper, R. M. 702, 841 

 Harrington, G. T. 834, 857 

 Harrison, F. C. 841 

 Hart, G. T. XII 

 Hartig, Th. 841 

 Hartweg 766 

 Harvey 751 



Harvey, F. L. 826, 832, 841, 857 

 Harz, C. D. 533, 535, 539, 547, 553, 

 575, 581, 582, 583, 584, 585, 5S6, 

 587, 827, 830, 857 

 Havard, V. 751 

 Hawkbit 664 



Distribution 721 

 Hawkweed 67 8, 840, 843, 845 

 (Hieracium), Distribution 750 



Seed 502, f. 502 

 CSeneeio), Distribution 754 

 Orange S42, 846, 849 

 Distribution 712, 750 

 Seed 502, 814, f. 502 

 sp. 846 

 Hawthorn, Distribution 695 

 Hay fever caused by pollen 681 

 Havden 767 



Havden, Ada VII, XII, 627 

 Hayne, F. G. 853 

 Havs, W. M. 825, 842 

 Hazel f. (106 



Distribution 693, 695 

 Heal-all syn. Self-heal 

 Hedge Bindweed 245-248, 848 



Mustard 164-165, 446-447, 543-544, 

 659, 664, 677, 717, 725, 787 

 Heileman, W. H. 837 

 Helenium autumnale 354-356, 780, 790, 

 f. 255, S56 

 Distribution m. 255 

 Seed 490, f. W 

 tenuifolium f. 721 

 Distribution 722 

 Helianthus annuus 340-342, 596, 601, 

 7S9, f. 3)1. •;;.' 

 Distribution 693, 730, 740, 756, 



m. •■",/ 

 Seed 4 87, 575, f. .(«. 576 

 Trichomes f. \8S 

 grosseserratus 344-346, 790, f. 3!,',, 

 3',5 

 Distribution 691, in. 3.',5 

 maximiliani 348-349, 790, f. 348 

 Distribution m. 34s 



occidentalis, Distribution 689, 690 



Trichomes 478, f. >88 

 petiolaris 342-343, 788, f. -l',3 

 Distribution 730, m. jy, 

 Seed 487, f. 488 

 Trichomes f. 4S8 

 strumosus, Seed 488, f. 488 

 tuberosus 346-348, f. 346, 8',7 

 Distribution 740, m. 3J,7 

 Trichomes 4 87, f. J,88 

 Heliopsis scabra 338-339, f. 338 

 Distribution 720, m. SS9 

 Seed 4 86, f. 486 

 Heliotrope, Wild, Distribution 695 

 Helminthosporium gramineum 677. f. 



680 

 Hemlock 6 



Poison 709, 776, f. 710 



Distribution 719, 728, 768-769 

 Water syn. Cowbane 

 Hemp 69, 70-72, 665, f. 71 



Distribution 696, 697, 715, m. 71 

 Seed 425, 524-525, f. 425, 525 

 Indian 235-237, f. 236 

 Distribution 719, m. 237 

 Root 651 

 Nettle, Distribution 720, 727 

 Water 118-119, 789, f. 118 

 Distribution 716, in. 119 

 Seed 435, f. 435 

 Wild, Root system 645 

 Hemsley, W. B. 731 

 Henbane 67 7 

 Black 277, 709 

 Distribution 736 

 Hen-bit f. 595 

 Henderson, L. F. 826, 842 

 Henfrey, A. 743, 861 

 Henkel, Alice 777, 853, 854 

 Henry, W. A. 826 

 Henshaw, H. W. 629 

 Henslow, J. S. 714 

 Hensman, R. 829, 857 

 Hepialus luperli 677 

 Hepner, F. E. 61, 188, 837 

 Heracleum lanatum 234, f. ..'.;; 



Seed 562, f. 561 

 Herb 865 

 "Herball" 773 

 Hermaphrodite 866 

 Herr, Bertha XII 

 Hexham Scent 843 



Hibiscus trionum 221, 222, 790, 796, 

 802, f. 222, 761 

 Distribution 696, 697, 712, 713, 



718, 761-762, m. 222 

 Seed 460 

 Hicks, F. H. 857 

 Hicks, J. F. 831, 859 

 Hieracium aurantiacum, Distribution 

 750 

 Seed 502, f. 502 

 canadense, Seed 502, f. 502 

 floribundum, Distribution 750 

 sp. 678 

 Hierochloe borealis 27-28, 787, f. 27. 

 7 '/ 8 

 Distribution 741, m. 27 

 odor at a syn. H. borealis 

 Higbee 765, 766 

 Highways, Weeds on 799-S00, 805, S06, 



807. 808 

 Hilgard, Eugene 725 

 'Till. E. J. S42 

 Hillman, F. H. XII, 464, 584, 826, 831, 



836, 842. 855, 857 

 FTiltbrummer, John 757 

 Hiltner, U 828 

 Hilum 865 

 Hinager, P. H. 757 



Hitchcock, A. S. 250, 650, 707, 745. 746, 

 749, 756, 757, 759, 7j60, 761, 763, 

 826, 842 



