Fertilisation the Greek composite word γυμνόσπερμος (γυμνός gymnos, "naked" and σπέρμα sperma, "seed"), meaning "naked seeds", after the unenclosed condition of their seeds (called ovules in their unfertilised state). Their naked condition stands in contrast to the seeds and ovules of flowering plants (angiosperms), which are enclosed within an ovary. Gymnosperm seeds develop either on the surface of scales or leaves, often modified to form cones, or at the end of short stalks as in Ginkgo. After being fertilised, the ovary starts to swell and develop into the fruit. With multi-seeded fruits, multiple grains of pollen are necessary for syngamy with
Passum sub iugum Passum sub iugum The passum sub iugum ("pass under the yoke") was a practice in ancient Italy where defeated enemies were made to pass beneath a yoke constructed of spears either to humiliate them or to remove blood guilt. The practice of "passum sub iugum" was a ritual humiliation of enemies practiced by the people of ancient Italy. Both the Romans and the Samnites forced the captives of their defeated enemies to pass under a yoke formed from spears. The practice is said to have originated as a form of expiation. According to Livy, Horatius killed his own sister because