‏الزكاة : Hadeeth No:2151 Ibn 'Umar said that the Prophet of Allaah (sallAllaahu alayhi wa sallam) prescribed the Sadaqa of Ramadan (Sadaqat-al-Fitr) one sa' of dates or one sa' of barley for every free man or a slave, male or female, and then the people equalised (one sa' of dates or barley) with half a sa' of wheat....

‏الصلاة : Hadeeth No:2108 This hadith has been narrated by Husain with the same chain of transmitters, but no mention is made of Umm Ka'b....