Charak Samhita
पञ्चमो वत्सकस्योक्तः षष्ठश्च कृतवेधने। श्यामात्रिवृतयोः कल्पस्तथैव चतुरङ्गुले ॥६३॥
Kalpa Sthana, the next section (on pharmaceuticals) has twelve chapters dealing with the preparations of the following drugs: Phala (Randia dumetorum Lam.); jimutaka (Luffa echinata Roxb); iksvaka (Ligenaria siceraria Standl.); dhamargava (Luffa cylindrical M. Roem); vatsaka (Holarrhena antidysenterica Wall.); krtavedhana (Luffa acutanula Roxb.); syamatrivrta (Operculina turpetbum R. B.); chaturangula (Cassia fistula Linn);
english translation
paJcamo vatsakasyoktaH SaSThazca kRtavedhane। zyAmAtrivRtayoH kalpastathaiva caturaGgule ॥63॥
hk transliteration by Sanscript