Doonesbury by Garry Trudeau for March 31, 1976
Transcript:
Plant: May I speak with Ms. Caucus, please? Joanie: Speaking. Plant: Ms. Caucus, I've heard you're asked Zonker Harris to work for Ms. Slade! I'd advise against it. He's a dangerous, sick boy, and he belongs at home where he can be looked after! Joanie: Zonker? Are you kidding? Say, who is this anyway?! Plant: A friend. Zonker: Alright, what's going on here?!
“Secret Life of Plants”, indeed.