Apastambagrihyasutra 8.22.4

8.22.4

tūṣṇīṃ pañcājyāhutīrhutvā tasyai vapāṃ śrapayitvopastīrṇābhighāritāṃ madhyamenāntamena vā palāśaparṇenottarayā juhoti \ 4 \

Having silently offered five Âgya oblations, and having cooked, the omentum of the (cow), and performed the 'spreading under' and the sprinkling over (of Âgya), he sacrifices (the omentum) with the next (verse, II, 20, 28) with a Palâsa leaf from the middle or the end (of the stalk).