A botanist goes to an isolated Chilean village in 1952 to study the rare local cacti, and finds the people who live there a strange lot. Not science fiction, but sort of...well, Twilight Zone-ish.
Other resources
(None on file)
Acknowledgements: Robert Silverberg for cause, support, and cooperation; Ken Seamon for graphics; Rodney Walters for books and info; Alvaro Zinos-Amaro for comments and content; and all the fellow fans who have sent encouragement, information, and translations.