The Star Hyacinths by James H. Schmitz description:
On a bleak, distant unchartered world two ships lay wrecked and a lone man stared at a star hyacinth. Its brilliance burned into his retina … and he knew that men could easily kill and kill for that one beauty alone.
the thing you started to pull from your pocket a moment ago … Electric stunsap, eh? That wasn't very nice of you, Quist! Let's see what else–
"Good Lord, Egavine," he announced presently, "your boy's a regular armory! Two blasters, a pencil-beam, a knife, and the sap … All right, Quist. Go over and sit down with the doctor." He watched the little man move dejectedly to the table, then fitted the assorted lethal devices carefully into one of his coat pockets, brought the pouch he had taken from Egavine out of the other pocket.
"Now, doctor," he said, "let's talk. I'm unhappy about this. I discovered you were carrying this thing around before we left Mezmiali, and I had a sample of its contents analyzed. I was told it's a hypnotic with an almost instantaneous effect both at skin contact and when inhaled. Care to comment?"
"I do indeed!" Egavine said frigidly. "I have no intention of denying that the instrument is a hypnotic spray. As you know, I dislike guns and similar weapons, and w