Natyashastra
कुसुमस्तबकादानं परिरक्षणमेव च । वित्रासनं सललितं तरुशाखावलम्बनम् ॥ १७४॥
Plucking a cluster of flowers, offering protection, gracefully sitting down, and holding on to the branch of a tree—these actions are to be performed \[from the Aśvakrānta posture].
english translation
kusumastabakAdAnaM parirakSaNameva ca । vitrAsanaM salalitaM taruzAkhAvalambanam ॥ 174॥
hk transliteration by Sanscript