A Pāli translation of a Singhalese original, giving the history of the arrival of the Bodhi tree in Ceylon.
It was written about the tenth century and is ascribed to Upatissa (Svd.vs.1262), who wrote it at the request of Dāthānāga.
Saranankara Sangharāja wrote a paraphrase on it, the Madhurārthaprakāsinī. For details see P.L.C.156ff.