In The Final Deduction, Laelia purpurata and Dendrobium chrysotoxum are sent to Dr. Vollmer and his assistant, who shelter Wolfe and Archie when they have to flee the brownstone to avoid the police.
I The Final Deduction sendes der Laelia purpurata og Dendrobium chrysotoxum til Dr. Vollmer og hans assistant, som skjuler Wolfe og Archie, da de må flygte fra brunstenshuset for at undslippe politiet.