ILLUSTRATIONS 



THE AUTHOR, ONE OF HIS CAMERAS AND A TANDEM 

 MICROSCOPE Frontispiece 



THE GOLDEN-BANDED LILY 22 



THE OPENING OF AN IRISH ELEGANCE ROSE 22 



LILIES AS THEY OPEN 26 



BOTH SIDES OF A LAPSE-TIME UNIT 36 



BLUE FLAG IRIS 46 



STREAM ORCHID 48 



MARIPOSA TULIP 48 



SCARLET MONKEY FLOWER 50 



WASHINGTONIAN SIERRA LILY 50 



DANDELION SEED BUDS 52 



EVENING PRIMROSE 52 



WATER HYACINTH 54 



EVENING PRIMROSE. HALF DOME IN THE DISTANCE 54 



THE PASSION FLOWER 58 



CALIFORNIA POPPY 58 



AZALEA BUDS 58 



RHODODENDRON 60 



WILD PARSNIP 62 



BLUE LUPINE 62 



BROWN-EYED SUSAN IN A MEADOW OF THEM 62 



THE INFLUENCE OF STRYCHNINE ON FLOWERS 66 



THE INFLUENCE OF ASPIRIN ON FLOWERS 66 



WILD PITCHER PLANT 68 



II 



