The South American Indians call them devil-flowers because they appear to bloom under the ground.
9 seconds sound clip from the Back for Christmas (Suspense) classic radio play.
You can hear this line at 00:02:19 in the radio play.
Quote context
[...]
- Devil's garden? Whatever nonsense is that?
- Don't you remember? That was my little joke about it.
- You see, I've managed to get hold of the spores of several unclassified wild orchids.
- In their wild state they bloom under damp masses of leaf-mold.
- The South American Indians call them devil-flowers because they appear to bloom under the ground.
- Whom else it will interest, I can't imagine.
- Oh! What's that terrible smell?
- I do want to get these started before we close the house.
[...]