Echinocactus Hexaedrophorus from Iconographie descriptive des cactées by Charles Antoine Lemaire (1801–1871).. Free illustration for personal and commercial use. almost 3 years 0 Elephant's Tooth Cactus (Mammillaria Elephantidens) from Iconographie descriptive des cactées by Charles Antoine Lemaire (1801–1871).. Free illustration for personal and commercial use. almost 3 years 0