‏الأشربة : Hadeeth No:5084 Sa'id b. Zaid b. 'Amr b. Nufail reported: I heard Allaah's Prophet (sallAllaahu alayhi wa sallam) as saying: Truffles are a kind of 'Manna' and their juice is a medicine for the eyes....

‏البيوع : Hadeeth No:3668 This hadith is reported or the authority of Yahya with the same chain of transmitters up to" until its good condition becomes clear," but lie did not mention what follows (these words)....