Splint spike-thorn; Gloveria integrifolia; native to South Africa. Handcoloured stipple engraving on copper by Barrois from a botanical illustration by Pancrace Bessa from Mordant de Launay's 鈥楬erbier General de l'Amateur;' Audot; Paris; 1820. The Herbier was published from 1810 to 1827 and edited by Mordant de Launay and Loiseleur-Deslongchamps. Bessa (1772-1830s); along with Redoute and Turpin; is considered one of the greatest French botanical artists of the 19th century.