INDEX 



903 



Seed 533-534, f. 535 

 vaccaria 132-134, 789, f. 133 



Distribution 696, 697, 717, 728, m 



m 



Seed 438, f. iS8 

 Saskatchewan weed legislation 793 

 Satureja nepeta, Distribution 720 

 vulgaris 



Distribution 720 

 Saunders, Wm. 836 

 Saururus, Distribution 693 

 Saw-toothed Sunflower syn. Meadow 



Sunfloioer 

 Saxifragaceae, Distribution 724 

 Saxifrage Family, Distribution 724 

 Saxony, weeds 845 

 Sayre, D. E. 837, 845 

 Scabiosa australis, Distribution 839 

 Scale 869 



Scaly Grindelia syn. Gumweed 

 Scandix pecten-veneris 663 



Distribution 736 

 Scape 870 

 Scarlet Sage 268 

 Scentless Chamomile 638 

 Scherer 699, 713, 740, 766 

 Schips, K. 547, 585 

 Schively, A. F. 585 

 Schleiden, M. J. 585 

 Schoepf, M. D. 733, 854 

 School of Instruction 800 

 Schorler, B. 766. 845 

 Schreiber, E. C. 767 

 Schroder 5 83 

 Schroter, C. 852 

 Schultz, G. 845 

 Schwabia, Weeds 848 

 Schwere 583 

 Sclerenchyma 870 



Cell, see Cell, Sclerenchyma 

 Sclerotic cell f. 57.', 

 Sclerotinia 6S0 



sclerotiorum 677 

 Sclerotium Disease 677 

 Scotch Thistle 806 

 Seribner's Panic Grass 660, 689 

 Scrophularia leporella 294 



marilandica 294-295, 789, f. 295 

 Distribution m. 295 

 Scrophulariaceae 4, 291-296, 777 

 Bibliography 586 

 Distribution 725 

 Seed 472-474, 570 

 Scutch Grass syn. Quack Grass 

 Secale cerale. Seed 813 

 Sedge 407, 630, 788, f. 603 



Family 63, 407-408, 623, 636, 678 



Distribution 624 

 sp., Seeds f. Ifin 

 Sedum stenopetalum 

 Distribution 695 

 telepliium 



Distribution 712 

 Seed coat as a factor in germination 

 829. 856 

 as weed disseminator 631 

 Control Stations 856 

 Development 624 

 General characters of 407-502 

 Investigations 

 Arizona 834 

 .Australia 837 

 Canada S36-S37 

 Connecticut 830 

 Denmark 828 

 Hamburg 827-828 

 Iowa 834-835 

 Kansas 831-832 

 Kentucky 832 

 Maine 832 



Maryland 835 



Massachusetts 833 



Michigan 830-831 



Minnesota 832 



Nebraska 833 



Nevada 831 



New Hampshire 833 



New York 833-834 



North Carolina 830, S32, 860 



North Dakota 834 



Ohio 831 



Pennsylvania 831 



Texas 834 



Tharandt 827 



United States Department of Agri 



culture 835-836 

 Vermont 833, 857 

 Wisconsin 834 

 Zurich 828 

 Laboratory XII 

 Legislation 



Canada 808, 814 

 Iowa 80^-814 

 Maine 809, 814, 860 

 Michigan 814 

 North Carolina 832 

 North Dakota 814 

 Washington 809 

 Wisconsin 809, 814 

 Wyoming 809 

 Production 615-624 



Testing 828, 830, 831, 832, 833. 834, 

 835, 836, 855, 856, 857, 858, 859, 

 860 

 Weeds 736 

 Seeds, Adulterated 811-815, 827, 856, 



857, 85S, 859, 860 

 Agricultural 810 



Destroyed by birds 629, f. 636 

 Germination 24, 99, 829, 830, 831, 



832, 833, 834, 835, 836, 837, 855, 

 856, 857, 858, 859 



Microscopic structure of 505-5 S7 

 Purity of, See Seed-testing 

 Scattered bv birds 629, f. 637. 638 

 Viability, Standard 812-813 

 Vitality 821, 828, 829, 830. 831, 832, 



833, 835, 836, 837, 855, S56, S57, 



858, 859 

 Weeds 855-60 



Self-heal 270-271, 660, 665, 667, 777, f. 

 271 

 Distribution 742, m. 271 

 Seed 470, f. ',71 

 Seidler, L. 673, 837 



Selby, A. D. 825, 826, 831, 845, 851, 859 

 Sempolowski, A. 553, 581 

 Senebiera pinnatifida, Distribution 723 

 Senecio canus. Distribution 694 

 jacobaea 667 



Distribution 750 

 palustris, Distribution 743 

 sp. 678, 693, f. 623 

 triangularis, Distribution 694 

 vernalis, Distribution 735-754 

 vulgaris. Distribution 725, 736 

 Seed 493, 663, f. ',93 

 Senna 180 



Distribution 7 2 3 

 Low, Distribution 723 

 Sepal 604. S70 



Setaria glauca 17-20, 789. f. is. .: : 

 Chemical composition \U 

 Distribution 691. 714. 732. m. 19 

 Seed 22, 413, 511. 512, f. ',13. 676 

 italica, Seed f. ;/: 

 panis. Seed 510, 511 

 sp. 517, 664 

 verticillata 22-24, 790. f. .:: 



Distribution 696, 714, 732. m. .'-.' 



