Valmiki Ramayana Aranya Kanda Sarga 74 Shloka 23

मे my, सुसत्कृताः revered ones, ते they, यत्र where, श्रमात् exhausted, उद्वेपिभिः करैः did with trembling hands, पुष्पोवहारम् offering flowers for worship, कुर्वन्ति make, प्रत्यक्थ्सली वेदिः altar knows as Pratyaksthali, इयम् this is.

This is the altar named Pratyaksthali where the saints aged and exhausted( by performing chandrayana) whom I worshipped made offerings of flowers with trembling hands.