More Lost Treasures of the AD&D 2nd Edition Monstrous Compendium
Steve: Pursuing the most dangerous game: moisture.
Zack: When the prey feels like it is being followed and it suddenly turns around the hunting cactus is excellent at freezing in place and acting nonchalant.
Steve: Doesn't work so well indoors.
Zack: *cactus searches frantically for pot to hide in*
Steve: In some ways being followed around by a cactus is actually scarier than being chased by a regular monster.
Zack: I bet they would make great detectives in the Southwest.
Steve: Saguaro, P.I.
Zack: "Si, senor. We will learn if your wife is cheating. Also, if you could leave some large, empty pots scattered around your house it would really help."
Steve: "We'll also need someone to drive us and carry us everywhere because, btw, we are plants."
Zack: "Just set us on a skateboard and give us a push in the direction of clues."