抄録
This paper gives the result in which the authors have observed on the flowering time of the wild Japanese barnyard millet (Echinochloa crus-galli) in both the laboratory and the field. The most fllowers of the plant finish the blooming from am. 7 to 11 daily but a few of those flowers at the other hours, especially at night. It may be due to the temperature in the experiments that there is a slight difference in the flowering time between the experiments.
