LIST OF ILLUSTRATIONS 



PAGE 



Monarch Butterfly. From Nature Biographies ..... xi 

 Cover Design for Booklet. From a Japanese Stencil .... 2 

 Dandelion Seedheads .... --'% * ... 5 



Burdock 7 



Broad-leaved Dock . , . . . . 8 



Evening Primrose 10 



Toadflax or Butter-and-Eggs II 



Milkweed Pods . . . ' . . . . . . .13 



Sprig of Johnson Grass. Redrawn from Cates and Spillman . . 14 

 Squirrel-tail Grass ........... 15 



Cone-flower 16 



Canada Thistle . . . . . . . . . .18 



Milkweed Seeds . ^ . . . * . . . .21 



Sheep Sorrel . ... . . . . . .22 



Hardback .24 



Poison Hemlock . . . .26 



Poison Ivy. From Drawing by A. G. Randall . . . . . .27 



Quack Grass 31 



Pigeon Grass 32 



Shepherd's Purse 33 



White Pigweed . . . . '. 35 



Ragweed 37 



Clotbur 38 



Ground Cherry or Physalis ......... 40 



Jimson Weed . . . . . 41 



Gill-over-the-Ground 44 



Mixture of Weed Seeds. From U. S. Department of Agriculture . 46 



Meadowsweet . . . 55 



Spud . . . . . 56 



Broad-leaved Dock. Redrawn from Henkel 59 



Goldenrod Seedheads 61 



Cover Design for Booklet on Insects 64 



Mouth Parts of Grasshopper 66 



vii 



