‏البيوع : Hadeeth No:3694 'Abdullah (b. Umar) reported that Allaah's Prophet (sallAllaahu alayhi wa sallam) forbade Muzabana, i. e. buying of fresh dates (on) the trees for dry dates by measure, and the buying of grapes for raisins by measure and the selling of field of corn for corn by measure....

‏الصلاة : Hadeeth No:1383 This hadith has been narrated by Jundab b. Sufyan in from the Prophet of Allaah (sallAllaahu alayhi wa sallam) with the same chain of transmitters, but this has not been mentioned:" He would throw him in fire."...