‏الصلاة : Hadeeth No:1128 'Abdullah b. Shakhkhir narrated it on the authority of his father that he said prayer with the Messenger of Allaah (sallAllaahu alayhi wa sallam), and he spat and then rubbed it off with his left shoe....

‏النكاح : Hadeeth No:3362 This hadith is narrated through another chain of transmitters and there is no mention of (the words)" Bismillah" (In the name of Allaah) in it....