Psalterium Marianum
Psalterium Marianum
In Latin, Psalterium Marianum. A work composed by Saint Bonaventure applying the sentiments of the psalms and other canticles of Sacred Scripture to the Blessed Virgin. Also, the Rosary, because of the 150 Hail Marys, corresponding to the number of the psalms of David.
Fuente: New Catholic Dictionary
Psalterium Marianum
is the name by which the devotion of the rosary is sometimes indicated, because in it (excepting the initial prayers), instead of the 150 psalms of the Scripture, the Ave Maria, in honor of the Virgin Mary, is recited 150 times.