INDKX 



903 



Seed 533-534, f. 535 

 vaccaria 132-134, 789, f. ISS 



Distribution 696, 697. 717, 728, m. 



m 



Seed 438, f. iSS 

 Saskatchewan weed legislation 793 

 Satureja nepeta, Distribution 720 

 vulgaris 



Distribution 720 

 Saunders, Wm. 836 

 Saururus, Distribution 693 

 Saw-toothed Sunflower syn. Meadow 



Sunflower 

 Saxipragacbae, Distribution 724 

 Saxifrage Family, Distribution 724 

 Saxony, weeds 845 

 Sayre, D. B. 837, 845 

 Soablosa australis, Distribution 839 

 Scale 869 



Scaly GrindeUa syn. GrUtnweed 

 Soandix pecten-venerls 663 



Distribution 736 

 Scape 870 

 Scarlet Sage 268 

 Scentless Chamomile 638 

 Soberer 699, 713, 740, 766 

 Schips. K. 547, 585 

 Schively, A. F. 585 

 Schlelden, M. J. 585 

 Schoepf, M. D. 733, 854 

 School of Instruction 800 

 Schorler, B. 766, 845 

 Schrelber, E. C. 767 

 Schroder 583 

 Schroter, C. 852 

 Schultz, G. 845 

 Schwabia, Weeds 848 

 Schwere 583 

 Sclerenchyma 870 



Cellj see Cell^ Sclerenchyma 

 Sclerotic cell f. 5rtJ, 

 Sclerotinla 680 



sclerotiorum 677 

 Sclerotium Disease 677 

 Scotch Thistle 806 

 Scribner's Panic Grass 660, 689 

 Scrophularia leporella 294 



marllandlca 294-295, 789, f. SOS 

 Distribution m. 295 

 SCKOPHTjr^ARIACEAE 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. Jfin 

 Sedum stenopetalum 

 Distribution 695 

 telephium 



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 836-837 

 Connecticut 830 

 Denmark 828 

 Hamburg 827-828 

 Iowa 834-835 

 Kansas 831-832 

 Kentuckv 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, 832, 860 



North Dakota 834 



Ohio 831 



Pennsylvania 831 



Texas 834 



Tharandt 827 



United States Department of Agrl 

 culture 835-836 



A'"ermont 833, 857 



Wisconsin 834 



Zurich 828 

 Laboratory XII 

 Legislation 



Canada 808, 814 



Iowa 809-814 



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, 858, 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 505-587 

 Purity of. See Seed-testing 

 Scattered by birds 629, f. 637, 638 

 Viability, Standard 812-813 

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



833, 835, 836, 837, 855, 856, 857, 



858, 859 

 Weeds 855-60 



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

 Bn 

 Distribution 742, m. 271 

 Seed 470, f. m 

 Seidler, L. 673, 837 



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

 Sempolowski, A. 553, 581 

 Senebiera plnnatiflda. Distribution 723 

 Senecio canus, Distribution 694 

 jacobaea 667 



Distribution 750 

 palustrls. Distribution 743 

 sp. 678, 693, f. 623 

 triangularis. Distribution 694 

 vemalis. Distribution 735-754 

 vulgaris. Distribution 725, 736 

 Seed 493, 663, f. m 

 Senna 180 



Distribution 723 

 Low, Distribution 723 

 Sepal 604, 870 



Setaria glauca 17-20, 789, f. IS, 22 

 Chemical composition 19 

 Distribution 691, 714, 732, m. 19 

 Seed 22, 413, 511, 512, f. il3, 676 

 ■ italica, Seed f. ilS 

 panis. Seed 510, 511 

 sp. 517, 664 

 vertloillata 22-24, 790, f. 23 



Distribution 696, 714, 732, ni. 23 



