There were 4 illustrations found:
2 636236 Malaxis woodsonii L.O.Williams
Ann. Missouri Bot. Gard., vol. 26 : t. 21 (1939) [G.W. Dillon]
6 1186402 Macroclinium cordesii (L.O.Williams) Dodson [125 704434 Notylia cordesii L.O.Williams]
Ann. Missouri Bot. Gard., vol. 26 : t. 21 (1939) [G.W. Dillon]
2 700681 Nicotiana alata Link & Otto
Ann. Missouri Bot. Gard., vol. 26 : t. 24 (1939) [n.a.]
2 700810 Nicotiana langsdorfii Schrank
Ann. Missouri Bot. Gard., vol. 26 : t. 24 (1939) [n.a.]
2 636236 Malaxis woodsonii L.O.WilliamsAnn. Missouri Bot. Gard., vol. 26 : t. 21 (1939) [G.W. Dillon]
6 1186402 Macroclinium cordesii (L.O.Williams) Dodson [125 704434 Notylia cordesii L.O.Williams]Ann. Missouri Bot. Gard., vol. 26 : t. 21 (1939) [G.W. Dillon]
2 700681 Nicotiana alata Link & OttoAnn. Missouri Bot. Gard., vol. 26 : t. 24 (1939) [n.a.]
2 700810 Nicotiana langsdorfii SchrankAnn. Missouri Bot. Gard., vol. 26 : t. 24 (1939) [n.a.]