Charak Samhita
अङ्गुष्ठसम्मितां कुर्यादष्टाङ्गुलसमां भिषक्। शुष्कां निगर्भां तां वर्तिं धूमनेत्रार्पितां नरः ॥२४॥
After the paste dries, the physician should remove the reed of sara plant, smear the wick with ghee and introduce it into the nozzle of the smoking apparatus, and light its front tip with fire and ask the person to inhale its smoke.
english translation
aGguSThasammitAM kuryAdaSTAGgulasamAM bhiSak। zuSkAM nigarbhAM tAM vartiM dhUmanetrArpitAM naraH ॥24॥
hk transliteration by Sanscript