Two very rare treatises on the medical properties of the lawsonia - alba plant (henna) and aristolochia indica plant (= birthwort), including a list of plants that can serve as antidotes for snake and scorpion poison, with the Latin plant names and concordant Tamil names (set in Tamil Indian type), written by A. Sada (= Sadasswanaiker), shopkeeper at the colonial garden at Pondichéry, India.
Small tear in title-page of vol.1 and lower left corner of front wrapper of vol. 2 slightly damaged, otherwise a fine set. Bradley bibliography, III, p. 92 (fascicule 1 only); not in Stafleu & Cowan.