The Compendium of Bheḷa 6.14.9

6.14.9

ubhe bṛhatyau śyonākaḥ śbadaṃṣṭrā khadirāsanau | jale siddhairimaisttulyaiḥ kaṣāyapariṣecanam ||

both bṛhatīs, śyonāka, śvadaṃṣṭrā, khadira, and asana: / with these prepared in equal parts in water, an effusion of the decoction [should be done].