CONTENTS. 
PAGE 
Why Plants Travel 1 
Those that Fly with Plumes or Down ..... 4 
Dandelions .......... 4 
Thistles .......... 15 
Milkweeds 20 
Lettuce .......... 25 
Clematis .......... 27 
Asters and Golden-Rod ........ 29 
The Willow 31 
Cattails 37 
Geraniums . . . . . . . . . .39 
Cotton .......... 41 
Other Fly-Aways ........ 45 
Seeds that Fly with Wings ....... 47 
Maples ........... 47 
Elms 52 
Ash Trees .......... 54 
Pines 56 
Seeds that Fly without Wings or Plumes ..... 59 
Other Seeds that are Moved by the Wind . . . . 61 
tumbleweeds ......... 63 
iii 
