Astanga Hrudaya
प्रक्षिप्य मुष्ककचये सुधाश्मानि च दीपयेत्। ततस्तिलानां कुतलैर्दग्ध्वाऽग्नौ विगते पृथक्॥१२॥
After all the heaps have been well burnt and the fire has disappeared, after separating the ash of limestone, one drona (12,288 grams) of all the other herbs (except Elaeodendron glaucum) put together is taken and one forth of one drona of ash of Elaeodendron glaucum is taken.
english translation
prakSipya muSkakacaye sudhAzmAni ca dIpayet। tatastilAnAM kutalairdagdhvA'gnau vigate pRthak॥12॥
hk transliteration by Sanscript