How to preserve Fritillaria thunbergii seeds?

Seed retention of Fritillaria thunbergii: when the fruit is ripe in May and June, the leaves of the plant are yellow and withered, and the fruit is light yellow, green or yellowish brown, it can be harvested. Cut the fruit together with the stem, tie it into small bundles and hang it in a cool and ventilated place to ripen. When the fruit is dark brown and cracked at the top, peel off the seeds and store them in a cool and dry place. These seeds are not resistant to storage. Sowing is usually done in the autumn of the year after harvest, such as 1658.