Kaushitakagrihyasutra 5.5.5

5.5.5

udumbaraśākhābhiḥ kṣīrodakairabhyavokṣati yaṃ te agniṃ manthāma vṛṣabhāyeca paktave imaṃ taṃ śamayāmasi kṣīreṇa codakena ca yaṃ tvamagne samadahastamu nirvāpayā punaḥ kiyāṃmbvatra rohatu pākadūrvā vyalkaśā śītike śītikāvati hvādike dvādikāvati maṇḍūkyā su saṅgamemaṃ svagniṃ śamaya \5\

With udumbara branches he sprinkles [the ground] with milk and water: 'That fire of yours which we churn, to cook for the bull, / that one we quench with milk and with water. / What you, O Agni, have burnt up, that extinguish again; / may the kiyāmbu plant grow here, the pakadūrvā, the vyalkaśā. / O cool one, possessing coolness, O refreshing one, possessing refreshment, / united with the female frog, quench this sacred fire of his.'