The Purple Terror: Fred White

A group of Americans are dispatched to get a letter to port in Cuba. They stop one night in a small village and one of the men admires the purple flowers around a dancer's neck. Her boyfriend gets jealous of the attention the men give her and gets jealous. The American reassures the man he was only interested in the flowers and the Cuban tells him he will show him the flowers in the morning for a dollar. The men start off through the jungle in the morning and see a man caught in a web of vines in the trees. the Cuban makes up a story on how he got there. That night they stop in a spot that is covered in bones. One man awakens in the morning to their dog whining and sees the plant with purple flowers has killed the dog. more vines come down for the other men. They cut one man loose and corner the Cuban who tells them the plant has killed many men before them.