INDEX. 191 



Page 



Sneezeweed 175 



Scapwort 71) 



Sorrel, field (i3 



Sow-thistle 145 



Spanish needles 101 



Spearmint 123 



Speedwell 133 



Spraying for weeds 24 



Spurge Family, weeds of 91 



Squirrel-tail grass 57 



Steel-weed 177 



Stickseed, Virginia 113 



Stinking-grass 55 



St. John's-wort Family, weeds of 1)8 



Sumac Family, weeds of 1)4 



Sunflower, common 1 73 



wild 172 



Sweet clover DO 



Sweet potato', wild 108 



Tansy 1(52 



Tear-thumb, arrow-leaved (51) 



Teasel 139 



Thistle, Canada 100 



common 1 04 



Thistle Family, weeds of 153 



Thorn apple 128 



Thorough wort 157 



Tick-trefoil, hoary 1)0 



Toad-flax 131 



Tongue-grass 82 



Trumpet creeper 134 



Tumble-weed 53, 74 



Velvet leaf 1)7 



Venus' looking glass 140 



Vervain Family, weeds of 115 



Water hemlock 103 



Water-pepper 00 



Weed, definitions of 



Weed extermination, rules for 20 



seeds, distribution of 7 



Weeds, losses caused by 13 



of cities and towns 10 



used in medicine 21) 



Wheat thief 1 14 



White-top 177 



Wire-grass 59 



Wood sage 118 



Wormseed 70 



Wormwood 103 



Yarrow .178 



