Manusmriti

siva.sh/manusmriti/3/256

दर्भाः पवित्रं पूर्वाह्णो हविष्याणि च सर्वशः । पवित्रं यच्च पूर्वोक्तं विज्ञेया हव्यसम्पदः ॥ २५६ ॥

sanskrit

Know that Kusa grass, purificatory (texts), the morning, sacrificial viands of all kinds, and those means of purification, mentioned above, are blessings at a sacrifice to the gods.

english translation

darbhAH pavitraM pUrvAhNo haviSyANi ca sarvazaH | pavitraM yacca pUrvoktaM vijJeyA havyasampadaH || 256 ||

hk transliteration by Sanscript