INDEX 



Page 



Spot disease 



Crab Grass 103 



Smartweed 103 



Spotted 



Spurge 64, 74, f. 195, 196 



Spurge, Large 33, f. 194, 195 



Spraying 94-103 



Ammonium sulphate 95 



Carbolic acid . .95, 97-98, 108, 109 



Copper sulphate 90, 94, 95, 96 



Corrosive sublimate 95, 99 



Cost of 100 



Dust 100 



Formaldehyde 95, 99 



Iron sulphate 



61, 90, 93, 95, 96, 100-103, 112 



Kerosene 95 



Lime, slaked 95, 98 



Potassium sulphide 95 



Sodium arsenate 99-100 



Sodium arsenite 99, 108 



Sodium chlorid 96-97 



Sodium nitrate 95 



Sulphuric acid 95, 97, 98 



Spreading Dogbane 64, 69, 208 



Sprouting Crab Grass 142 



Spruce 129 



Spurge 28, 31, 74, 194-198 



Eradication 100 



Common . . .' 10 



Creeping . 195, 196 



Cypress 63, 197-198 



Family 194-198 



Flowering 64 



Nettle 74 



Spotted 64, 74, f. 195, 196 



Spotted, Large f. 194, 195 



Toothed 197 



Squash f. 134 



Squirrel 



Barley 68 



Grass 78 



Squirrel -tail Grass 4, 16, 24, 26, 

 57, 58, 62, 67, f. 82, 

 85, 115, 155-157, . 156 



Distribution 82 



Eradication 111-112 



Squirting Cucumber 15 



Stamens 128 



Diadelphous 129 



Gynandrous 128 



Monadelphous 129 



Star 



Cucumber f. 119 



Thistle 250 



Star of Bethlehem 61, 67, 74, 160 



Steglich 95 



Stellaria 



media 69, 174-175, f. 174 



Legislation 46 



Vitality 38 



Stem 



Endogenous 117, f. 118 



Exogenous 117 



Morphology of 116-118 



Stickseed 11, 16, 215-216 



Western 216 



Page 



Stick-tight 239-240 



Stinging Nettle 64, 161 



Stink Grass 74 



Stinkweed 184-185, f. 185 



Stipa 15 



comata 146 



spartea 72, 146 



Western 146 



Stone, Mr 96 



Stonecrop 64 



Stone Fruit 132 



Storksbill 19, 57, 59, 74 



Stramonium, Purple ..222-223, f. 223 



Strap-shaped corolla 128 



Straw as seed carrier 23 



Strawberry f. 128 



Strobile 133 



Strophostyles 



helveola 191 



pauciflora 58, 68, 191 



Stubbleberry 220-222, f. 220 



Sub-petiolar bud 117 



Succory 251 



Gum 251 



Suckers 117 



Sugar 



Beet 167 



Cane 139 



Maple 199. 



Sulphate 95 



Ammonium 95 



Copper 90, 94, 95, 96 



Iron 61, 90, 93, 95, 96, 100-103. 112 

 Sulphuric acid as herbicide 95, 97, 98 



Summer fallow 87, 93-94, 104 



Sunflower.. 11, f. 17, 51, 83, 128, 132 



Annual 59, 74 



Common 78, 238, f . 239 



, Germination 42 



Family f. 126 



Maximilian's 239 



Meadow 



6, 52, 58, 62, 74, 239, f. 240 



Prairie 238-239 



Seed 15 



Tickseed 74 



Western 74 



Superior flower 127 



Suspended ovule 130-131 



Suture 129-130 



Dorsal 129 



Ventral 129 



Swamp 



Camas 64 



Milkweed 54, 209 



Sweet 



Clover, White 5, 6, 24, 25, 26, 

 28, 31, 42, 46, 47, 55, 56, 



58, 59, 74, 115, 189 

 Clover, Yellow 46, 59, 74, 189, f. 189 



Pea 128 



Potato 5, 116, 117, 210 



Switch Grass 74 



Sycamore 117 



Sympkoricarpos orbiculatus 71,228-229 



Symphytum officinale 69 



Tall Buttercup 178 



