CONTENTS 



INTRODUCTION 17 



How the Lapse-Time Method Started. 



I LAPSE-TIME PHOTOGRAPHY 31 



A Description of Equipment. 



II FLOWERS 45 



Their Reactions as Pictured by the Lapse- 

 Time Camera. 



III POLLENIZATION 73 



Peculiar Methods of Several Flowers, and in 

 Spirogyra. 



IV FIRST STEPS IN MICROSCOPIC MOTION 

 PHOTOGRAPHY 93 



The Story of the Spider Lily Pollen. 



V MICROSCOPIC MOTION PHOTOGRA- 

 PHY 103 



Necessary Apparatus Cost, Tandem Outfit, 

 Special Handling. 



VI CACTUS AND SUCCULENTS 115 



How to Tell Them Apart. Experiences in 

 Picturing Them. 



VII THE LEAF 125 



A Wonderful Machine. A Journey Across a 

 Leaf J4" Wide. 



VIII BREAD MOLD 135 



A Life Story of This Wonderful Plant. 



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