Herbaria African Aloe (Aloe) flowers and seeds; whole and in cross section. Classis VI; Hexandria mono - tri - tetra - poligyniae; lilies; pl. 25. From "Tabulae phytographicae" Johannes Gessner (1709-1790) doctor; botanist; mathematician and Swiss naturalist; follower and corresponding Linnaeus (1707-1778); was among the first to adopt his methods of classification. His fitografiche tables; carefully compiled by following the criteria; were published posthumously edited by Christoph Salomon Schinz (1764-1847); Turici (Zurich); Impensis Fuessli Johannis Henrici; filii; 1795