There was one illustrations found for J.W. Toumey
Abolboda sp.J.B.P.A. de Monet de Lamarck, J.L.M. Poiret, Tabl. Encycl., vol. 4 : t. 905 (1791-1823) [Poiret fils]
28666Agave schottii [Agave treleasei Toumey]
Annual Rep. Missouri Bot. Gard., vol. 12 : t. 32 (1901)