Apastambagrihyasutra 5.13.16

5.13.16

uttarayābhimantrya tasyai vapām̐ śrapayitvopastīrṇābhighāritāṃ madhyamenāntamena vā palāśaparṇenottarayā juhoti \16\

After the guest has recited the next (formula, M. II, 10, 6) over (the cow, the host) cools its omentum, and having performed the 'spreading under' and the sprinkling over (of Âgya), he sacrifices it with the next (verse, M. II, 10, 7) with a Palâsa leaf from the middle or the end (of the stalk).