So again among hybrids which are usually intermediate in structure between their parents, exceptional and abnormal individuals sometimes are born, which closely resemble one of their pure parents; and these hybrids are almost always utterly sterile, even when the other hybrids raised from seed from the same capsule have a considerable degree of fertility.
eta hibridook ia beti zeharo antzuak izaten dira, are kapsula bereko hazietatik sorturiko beste hibridoak ugalkortasun maila handi samarrekoak direnean ere.