‏الصلاة : Hadeeth No:2122 Abu Marthad al-Ghanawi reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: Do not pray facing towards the graves, and do not sit on them....

‏الصلاة : Hadeeth No:1142 Ibn 'Umar reported: The Messenuer of Allaah (sallAllaahu alayhi wa sallam) said: He who eats of this (offensive) plant must not approach our mosque, till its odour dies: (plant signifies) garlic....