Matsya Purana 208.19

208.19

śvaśureṇābhyanujñātā yācanā bhaṅgabhīruṇā.
sāvitryapi jagāmārtā saha bhartrā mahadvanam .. 208.19 ..

In the meantime only four days remained for Satyavâna to die when Sâvitrî with the permission of her father in law kept up a fast for three nights On the fourth day Satvavana went to fetch flowers and fruits from the forest with his father's permission, when Sâvitrî also with her father in law s permission followed him there In the forest oppressed with the overwhelming grief of her lord s approaching death she in order not to disclose her mind began to ask her lord the names of the various trees and flowers Satyavâna began to point out to his distressed consort the principal forest trees birds and animals —17 21