DEDICATION 
To the best teacher I ever had, My Father 
DR. CHARLES FREDERICK MENNINGER 
who inspired me to peep at the plant world, 
this book is affectionately dedicated. 
ACKNOWLEDGMENTS 
For photographs not otherwise credited, I am under obligations 
to Dr. Samuel Ayres, jr., Dr. George H. Hewitt, Nixon Smiley, Pasco 
Roberts, Roy A. Matthews, Clyde Coutant, Ernest E. Lord, Ralph 
Barnes, Ralph Dickey, W. R. Borchers, Earl Dyer Ricou, Fairchild 
Tropical Garden, A. W. Jessep of the Melbourne Botanic Garden, 
Harold R. Winters, George J. Farnham. Without their artistry this 
volume would be just a lot of words. 
Cover Kodachrome 
THE Roya Porncrana (Delonix regia) 
Printed by 
StuarRT Datty News, Inc., Stuart, FLormwa 
Pric—E Onrt DouuarR Aa Copy 
