In return for Indra's benediction that their branches and twigs would grow back when trimmed, the trees accepted one fourth of the reactions for killing a brahmana. These reactions are visible in the flowing of sap from trees

Expressions researched:
"In return for Indra's benediction that their branches and twigs would grow back when trimmed, the trees accepted one fourth of the reactions for killing a brahmana. These reactions are visible in the flowing of sap from trees"

Srimad-Bhagavatam

SB Canto 6

In return for Indra's benediction that their branches and twigs would grow back when trimmed, the trees accepted one fourth of the reactions for killing a brahmana. These reactions are visible in the flowing of sap from trees.

SB 6.9.8, Translation

In return for Indra's benediction that their branches and twigs would grow back when trimmed, the trees accepted one fourth of the reactions for killing a brāhmaṇa. These reactions are visible in the flowing of sap from trees. [Therefore one is forbidden to drink this sap.]