Night Flowers 229 
than that which lured the sphinx-moth, but deli- 
cious still. But they do not survive a torrid and 
glaring noon. Evening-primroses, if the morning 
MIDNIGHT 
Xi 
Fic. 648.—A flower-clock—afternoon and evening. 
(Tentatively submitted.) 
The post-meridial half of the clock is compiled from the author's observations in 
garden and field in the states of Ohio and New York. 
is cloudy, or if they grow in the shade, are pretty 
until midday, but if ardent sunshine reaches them 
they wilt much earlier, while the day-lilies re- 
main crisp and fragrant till twilight falls again. 
